37. Ba can’t drive a car. He is young.

→ Ba isn’t __old enough to drive a car___

38. Putting a knife into an electrical socket is dangerous.

→ It is ___dangerous to put a knife into an eletrical socket__

39.  She studies hard because she wants to pass the test.( so as)

→ She  studies hard so as to pass the exam____

40. Mr Ba and Mr Tam began teaching math in 2010.

→ Mr Ba and Mr Tam have _taught math since 2010____

37. Ba can’t drive a car. He is young.

→ Ba isn’t ___old enough to drive a car__

38. Putting a knife into an electrical socket is dangerous.

→ It is __dangerous to put a knife into an electrical socket ___

39.  She studies hard because she wants to pass the test.( so as)

→ She _ studies hard so as to pass the exam____

40. Mr Ba and Mr Tam began teaching math in 2010.

→ Mr Ba and Mr Tam have _taught Math since 2010____

1. The weather is too cold for us to go swimming.

-> The weather isn't .................warm enough for us to go swimming.....................

2. He played babmin ton when he was eight.

-> He used ....................to play badminton when he was eight......................

3. Putting a knife into an electrical socket is dangerous.

-> It is ..............................dangerous to put a knife into an electrical socket..........................

4. It isn't necessary for you to water the tree everyday (have)

-> You.....................don't have to water the tree everyday......................

III. Rewirte the sentences so that it has the same meaning as the sentence printed before

1. Your younger brother is too weak to lift that box

Your younger brother is not..STRONG ENOUGH TO LIFT THAT BOX................

2. Putting a knife into an electrical socket is dangerous

It's dangerous.........TO PUT A KNIFE INTO AN ELECTRICAL SOCKET........

3. You should look after yourself

You should take......CARE OF YOURSELF..............

4. The table is on the right of the bed

The bed.......IS ON THE LEFT OF THE TABLE.............

1. The children often look at.........in the mirror. (Fill in the blank with a suitable reflexive pronoun)

........THEMSELVES................

2. She is UNhappy "because her grades in Math are so bad" (Make a question for the underlined worlds)-ĐIỂM KÉM MÀ VUI CX CHỊU LUN R

............WHY IS SHE UNHAPPY?......................

3. Name is "strong". He can carry that heavy suitcase. (Combine into one, using"enough")

...........NAM IS STRONG ENOUGH TO CARRY THAT HEAVY SUITCASE........................

4. Each of my friends has a (differ)....DIFFERENT.......character (supply the concert world form)

..........................

5. It is dangerous to put a knife into an electrical socket. (Rewrite the sentence begin with " Putting a knife "...)

...........PUTTING A KNIFE INTO AN ELECTRICAL SOCKET IS DANGEROUS..................

6. He is going to buying a new computer. (Find out the mistake in the sentence).......BUYING=>BUY............

IV. Rewrite sentences

1. No one helped him repair the bicycle ( himself )

He repaired the bicycle by himself

2. He stays up late and he is always tired next moring ( should )

He should not stay up late in ordeer not to be tired next moring

3. It's necessary to water that tree every day ( have )

You have to to water that tree every day

4. Putting is dangerous ( put )

It's dangerous to put a knife in to an electrical socket

5. The table is on the right of the bed ( left )

The bed í on the left of The table

6. You must stay in bed because of your illness ( because )

You must stay in bed because you are ill

IV. Rewrite sentences

1. No one helped him repair the bicycle ( himself )

..........he repaired the bicycle by himself.................

2. He stays up late and he is always tired next moring ( should )

........he should go to bed early........................

3. It's necessary to water that tree every day ( have )

You.....have to water that tree every day .................

4. Putting a knife into an electrical socket is dangerous ( put )

It's dangerous......to put a knife into an electrical socket.....

5. The table is on the right of the bed ( left )

The bed.......is on the left of the table..................

6. You must stay in bed because of your illness ( because )

You...........must stay in bed because you are ill...............

a) You must stay in bed because of your illness -> you must ..stay in bed because you are ill

b) Putting a knife into an electrical socket is dangerous -> it's ...dangerous to put a knife into an electrical socket

c) it's a long time since we became close friends -> we have ...become close friends for a long time

d) People make cheese from milk -> chesse ....is made from milk

e) Our factory doesn't produce this kind of paper -> this kind ...of paper isn't produced by out factory

1/ Điền 1 giới từ thích hợp

1.The clock is ..between...the television and telephone

2.She is washing this pile old clothes ..with...new fizz detergeht

3. We have to put all dangerous objects.out..of children's reach

4. There is a desk.on..the right.of..the room

5. We must put all chemicals and drugs .in...locked cupboard

6. Playing..with....one match can start a fire

7. Putting a knife.into..an electrical socket is dangerous

8. It's very good.for..you to help us

9.It's cold outside, so put your coat.on..

10. I must apilogize.after..kepping you waiting

1/ Điền 1 giới từ thích hợp

1.The clock is ..between...the television and telephone

2.She is washing this pile od clothes ..in...new fizz detergeht

3. We have to put all dangerous objects.out..of children's reach

4. There is a desk..to.the right..of.the room

5. We must put all chemicals and drugs ..in..locked cupboard

6. Playing...with...one match can start a fire

7. Putting a knife.into..an electrical socket is dangerous

8. It's very good..of.you to help us

9.It's cold outside, so put your coat.on..

10. I must apilogize.for..kepping you waiting

1. Swimming in this river is very dangerous

->It's very dangerous to swim in this river

2. They must tidy the school yards

-> They have to tidy the school yards

3. She intends to visit her grandma next sunday

-> She is going to visit her grandma next Sunday

4. The book is interesting. I can read it twice

-> The book is interesting enough to read it twice

5. She shouldn't stay up late

->She ought not to stay up late

6. She has long straight brown hair

-> Her hair is straight brown

7. The water is too hot for him to drink

-> The water isn't so hot that he drink

8. The weather is so cold that we can't go out

-> The weather is too cold for us can't go out

9. It's not necessary for you to stay up late

-> You don't need to stay up late

10. Playing with matches is very dangerous

-> It's very dangerous to play with matches

11. It's dangerous to put a knife into an electrical socket

->Putting a knife into an eclectrical socket is dangerous

1. Swimming in this river is very dangerous

->It's VERY DANGEROUS TO SWIM IN THIS RIVER.

2. They must tidy the school yards

-> They have TO TIDY THE SCHOOL YARDS.

3. She intends to visit her grandma next sunday

-> She is GOING TO VISIT HER GRANDMA NEXT SUNDAY.

4. The book is interesting. I can read it twice

-> The book IS SO INTERESTING THAT I HAVE READ IT TWICE.

5. She shouldn't stay up late

->She ought NOT TO STAY UP LATE.

6. She has long straight brown hair

-> Her hair IS LONG, STRAIGHT AND BROWN.

7. The water is too hot for him to drink

-> The water isn't COOL ENOUGH FOR HIM TO DRINK.

8. The weather is so cold that we can't go out

-> The weather IS NOT WARM ENOUGH FOR US TO GO OUT.

9. It's not necessary for you to stay up late

-> You don't NEED TO STAY UP LATE.

10. Playing with matches is very dangerous

-> It's very DANGEROUS TO PLAY WITH MATCHES.

11. It's dangerous to put a knife into an electrical socket

->Putting a knife INTO AN ELECTRICAL SOCKET IS DANGEROUS.

I. Complete the second sentence so that it has a similar meaning to the first.

1. You aren't allowed to make noise in the library.

You mustn't make noise in the library.

2. It isn't necessary for you to go to school so early.

You don't have to go to school so early.

3. It is a good thing for you to keep the house clean and tidy.

You ought to keep the house clean and tidy.

4. I had a good time at the party last night.

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous.

It's very dangerous to play with matches

7. You must stay in bed because of your illness.

You must stay in bed because you are ill

8. It isn't necessary for you to water that tree every day.

You don't have to water that tree every day.

9. He stays up too late and he is always tired the next morning.

He should go to bed early so he won't be tired the next morning.

10. It is dangerous to put a knife into an electrical socket.

Putting a knife into an electrical socket is dangerous

I. Complete the second sentence so that it has a similar meaning to the first.

1. You aren't allowed to make noise in the library.

You mustn't make noise in the library.

2. It isn't necessary for you to go to school so early.

You don't have to go to school so early.

3. It is a good thing for you to keep the house clean and tidy.

You ought to keep the house clean and tidy.

4. I had a good time at the party last night.

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous.

It's very dangerous to play with matches.

7. You must stay in bed because of your illness.

You must stay in bed because you are ill.

8. It isn't necessary for you to water that tree every day.

You don't have to water that tree every day.

9. He stays up too late and he is always tired the next morning.

He should go to bed early in order not to be tired the next morning.

10. It is dangerous to put a knife into an electrical socket.

Putting a knife into an electrical socket is dangerous.

I. Complete the second sentence so that it has a similar meaning to the first.

1. You aren't allowed to make noise in the library.

You mustn't make noise in the library.

2. It isn't necessary for you to go to school so early.

You don't have to go to school so early.

3. It is a good thing for you to keep the house clean and tidy.

You ought to keep the house clean and tidy.

4. I had a good time at the party last night.

I enjoyed the party last night.

5. Must he leave now?

Does he have to leave now?

6. Playing with matches is very dangerous.

It's very dangerous to play with matches.

7. You must stay in bed because of your illness.

You must stay in bed because you are ill.

8. It isn't necessary for you to water that tree every day.

You don't have to water that tree every day.

9. He stays up too late and he is always tired the next morning.

He should go to bed early so that he doesn't feel tired the next morning.

10. It is dangerous to put a knife into an electrical socket.

Putting a knife into an electrical socket is dangerous.