=>Putting a knife into an electrical socket is dangerous
=>Putting a knife into an electric socket is very dangerous.
Đúng thì tick nha
1. The weather is too cold for us to go swimming.
-> The weather isn't ......................................
2. He played babmin ton when he was eight.
-> He used ..........................................
3. Putting a knife into an electrical socket is dangerous.
-> It is ........................................................
4. It isn't necessary for you to water the tree everyday (have)
-> You...........................................
1. The children often look at.........in the mirror. (Fill in the blank with a suitable reflexive pronoun)
........................
2. She is happy "because her grades in Math are so bad" (Make a question for the underlined worlds)
..................................
3. Name is "strong". He can carry that heavy suitcase. (Combine into one, using"enough")
...................................
4. Each of my friends has a (differ)...........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 "...)
.............................
6. He is going to buying a new computer. (Find out the mistake in the sentence)...................
IV. Rewrite sentences
1. No one helped him repair the bicycle ( himself )
...........................
2. He stays up late and he is always tired next moring ( should )
................................
3. It's necessary to water that tree every day ( have )
You......................
4. Putting a knife into an electrical socket is dangerous ( put )
It's dangerous............
5. The table is on the right of the bed ( left )
The bed.........................
6. You must stay in bed because of your illness ( because )
You..........................
1. Swimming in this river is very dangerous
->It's
2. They must tidy the school yards
-> They have
3. She intends to visit her grandma next sunday
-> She is
4. The book is interesting. I can read it twice
-> The book
5. She shouldn't stay up late
->She ought
6. She has long straight brown hair
-> Her hair
7. The water is too hot for him to drink
-> The water isn't
8. The weather is so cold that we can't go out
-> The weather
9. It's not necessary for you to stay up late
-> You don't
10. Playing with matches is very dangerous
-> It's very
11. It's dangerous to put a knife into an electrical socket
->Putting a knife
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 .............................................................
2. It isn't necessary for you to go to school so early.
You don't ................................................................
3. It is a good thing for you to keep the house clean and tidy.
You ought ..............................................................
4. I had a good time at the party last night.
I enjoyed .............................................................
5. Must he leave now?
Does he ............................................................
6. Playing with matches is very dangerous.
It's very dangerous............................................
7. You must stay in bed because of your illness.
You must stay in bed because you ..............................
8. It isn't necessary for you to water that tree every day.
You don't have ......................................................
9. He stays up too late and he is always tired the next morning.
He should go ....................................................
10. It is dangerous to put a knife into an electrical socket.
Putting a knife ...............................................
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 .....................................Huong is very worried _______ her electricity bill.
Putting a knife _______________ an electrical socket is dangerous
You should work harder ___________ your english pronunciation
I'll wait ___________ you are ready
Nga's grandmother had to look ____________ her younger brothers and sisters.
Many people from rural areas are leaving _________ their traditional way of life.
Could you turn the music ________ a little. Iy's t loud.
Please take the form ___________ your teacher and ask her to sign it
Many language learners do not learn all the new words they come ____________.
Khó quá, help me 
II. Complete the following sentences with the appropriate form of the words given in brackets: ( 1.0 pt)
17. Don’t put the knife into an ………………………… socket . ( electricity)
18. We are good friends although each of us has a different ………………………… ( characteristic)
19. You have to put all ………………………… objects out of children’s reach.
( danger)
20. What led to the ………………………… of the telephone? ( invent)
Giup minh gap voi ah ( Điền từ phù hợp vào chỗ trống)
1. He believed in his ability to jump down from the fourth storey ....... getting hurt.
2. You have to hurry up or … will pass you by.
3. I can’t go with you. - That’s too bad.Why ….?
4. It is dangerous to put a knife ………… an electrical socket.
5. He was so eager for the first time he flew a ….. airplane.
6. All the apples...already ripe.
A is B are
C seem D tastes
7. There is no ..... to explain how that machine works.I have got the instruction book now.
8. I kicked the ball ... the goal yesterday.
9. The students learn .... to recycled waste paper . They are very excited.
10. She made a wish and blew ... the candles.
11. The shop assistant đi not want to serve that…….. customer. <3
