lan and ba don't have a tent.they never go camping

=> Lan and Ba never go camping because they don't have a tent.

i have to stay at home.i can finish all my exercises

=> I have to stay at home because i can finish all my exercises.

tan is very slow.he is late for school

=> Tan is very slow, so he is late for school.

The weather is fine. We have a picnic on the mountain.

=> The weather is fine, so we have a picnic on the mountain.

5. I don’t have a bike. I walk.

=> I walk because I don't have a bike.

6. Nhan is tired. He can’t fly his kites.

=> Nhan is tired, so he can't fly his kite.

7. The book is very interesting. I read it twice.

=> I read the book twice because it is very interesting.

8. Jane looks sick. The nurse tells her to go back home to rest.

=> The nurse tells Jane to go back home to rest because she looks sick.

9. The lesson is very difficult. No one can understand it.

=> Because the lesson is very difficult, no one can understand it.

10. The work is very hard. I can’t finish it on time.

=> The work is very hard, so I can't finish it on time.

1. I made a lot of mistakes because I didn't concentrate (concentrated)

If I............had concentrate,I wouldn't.....have made so many mistakes

2. I haven't been able to relax for a long time (since)

It's been a long time ........since I was able ..........to relax

3. Mary doesn't just dance, she also sings (only)

Not.........only does Mary dance............but she also sings

4. The child started walking three months ago (for)

The child.................has walked for...........three months

5. "Please explain something to me" I said to the teacher (asked)

I................asked the teacher to explain.............something to me

6. Someone ought to have done this job yesterday (should)

This job ..........should do someone.............yesterday

11.Have you sent the christmas cards to your family?

=>Have the Christmas cards been sent to your family?

=>Have your family been sent the chrismas cards ?

12.The committee appointed Alice secretary for the meeting.

=>Alice was appointed secretary for the meeting(by the committee).

=>the meeting was appointed for alice secrectary by the committe

13.He hides the broken cup in the drawer.

=>The broken cup is hidden in the drawer (by him).

14.They keep this room tidy all the time.

=>This room is kept tidy (by them) all the time.

15.They all voted the party a great success.

=>The party was voted a great success(by them).

=>a great success was voted for the party

16.We gave Ann some bananas and some flowers.

=>Ann was given some bananas and some flowers(by us).

=>some bananas and some flowers were given to ann by us

17.They moved the fridge into the living room.

=>The fridge was moved into the living room(by them).

18.She bought some cups of tea to the visitors in the next room.

=>Some cups of tea were brought to the visitors in the next room (by her).

=>the visitors in the next room were brought some cups of tea

19.They find the new project worthless.

=>The new project is found worthless.

20.The secretary didn’t take the note to the manager.

=>The note wasn’t taken to the manager(by the secretary).

Giải:           Theo bài ra ta có:  (30+35+34+A):4=A+6

                                                        (99+A):4=A+6

                                                         99+A    =(A+6)x4

                                                         99+A    =4A+4x6

                                                         99+A    =4A+24

                                                            99     =3A+24

                                                          3A      =99-24

                                                          3A      =75

                                                            A      =75:3

                                                            A      =25

I hope you will come and join the fun . The secretary Susan , Lucky's mother , had a new jod at a big office last week . On her fist working day , the manager of the office told her about her work there , He said that her work was to help him to write and send letters, make appointments, receive and answer telephone calls and write reports . He also said that her work was very inportant so she should work carefully . She listened to him and worked very well . When the fist working day finished , the manager felt very pleased about Mrs.Susan

3 What did the manager say?

the manager said her about her work there

4 What else did he say?

He also said that her work was very inportant so she should work carefully

5 How did Mrs. Susan work ?

She worked very well

6 How did the manager feel?

He felt very pleased about Mrs.Susan

2 

đúng đấy

choose the correct answer

when you rang, I ... my bike

a. cleaned

b. was cleaning

c. used to clean

d. clean

I ... like goft, but now I really like it

a. don't use to

b. don't used to

c. didn't used to

d. didn't use to

Denise ... at the stadium until she finds a better job

a. works

b. is work

c. used to work

d. was working

Sửa lỗi sai:

The desk was so heavy that he could hard=>hardly lift it

Sửa lỗi sai:

The cotton doesn't grow well=>good here

VII . Tìm và sửa lỗi sai

1 How long=> far is it from Ha Noi to Bac Lieu

2 I go=>went to Ben Thanh market with my mother yesterday morning

3 Thoes cat has=>have big and round eyes

4 They go to school on=>by bike