1. We are going to visit our grandparents when we will =>x finish our final exams

2. While Mary did =>was the washing up, she broke    a cup

3. He said that he has =>had done his homework       since 7 o’clock

4. She has =>x disappered three days ago, and they are still looking for her now

5. While you had been=>was out, Tom came      to see you

6. He never goes                home          before he will finish =>finishes his work

7. Her last book is        => was published in 20 languages years ago

8. They will give her the message              as soon as she arrived=>arrives 

Chọn B

Khi các từ để hỏi ở giữa, câu thì trợ động từ sẽ được chuyển ra sau động từ, câu hỏi sẽ được chuyển sang dạng trần thuật.

Đáp án B

Khi “Why” và các từ để hỏi đứng giữa câu thì có dạng : WH/how+ S+ V. Nên “hadn’t he done”-> “he hadn’t done”.

His homework has been already done by his

has been already done by his

Đáp án B thành “he hadn’t done”

Giải thích: Đây là câu tường thuật (gián tiếp) nên ta đảo vị trí S và auxi verb lại như câu khẳng định.

has => have 

after => before

look => will look 

doesn't pass => pass

will get => won't get

is => were

will => would

All the exercises in this books has been done carefully by him  before.

                          A                         B                                C   

   D

 Tom had done  his homework after he went to bed last night.

           A              B                     C                 D

 If you try these cosmetics, you look five years younger.

A                B                              C                          D

 Sam will not graduate unless he doesn’t pass all the tests.

           A                          B                  C                  D

You will get bad marks if you review these lessons and do these exercises.

           A                        B            C                                  D

 If today is Sunday, we would stay  at home and watch TV.

              A                                 B    C                     D

 If you were the president, what will you do to help the environment?

 A           B                                   C                   D

C

has done - did

didn't make - haven't make

Learned - has learned

has finished - finished

have met - met

has bought -  bought

was has - has been

26. has done-> did

27. didn’t make->haven't make

28. learned-> has learned

29. has finished -> finished

30. have met->met

31.has bought -> bought 

32. was->has been

1.I started to do this job in 1995

- I have started to do this job since 1995

2.Nancy hasn't come here since 1996
The last time Nacy came here was 1999

3. It is said that many people are homeless after the floods

- Many people are said to be homeless after the floods

4. Before he went to school,he had done all his homework

- After doing all the homework he went to school.