1. I had to go to the police station last week. (why)

    Why did you have to go to the police station last week.

2. They must leave soon. (when)

    When do they leave?

3. You ought to practice English frequently. (how often)

    How often do you practice E ?

4. Jane has to go away for a long time. (how long)

    How long does Jane go away ?

5. We have to go home early. (what time)

    What time do they go home?

6. Children mustn’t see that film. (why)

   Why Children mustn’t see that film

7. He’ll have to go somewhere for a few days. (where)

   Where will he have to go for a few days?

8. You should do something to help homeless people. (what)

    What do you should to help homeless people?

16. Should we take the medicine after meal?

 Should the medicine be taken after meal?                                    Has someone eaten the cake?

 Has the cake been eaten ?

18. Do you meet Lan every day?

 Is Lan met every day ?

19. Will she make a new dress tomorrow?

 Will a new dress be made tomorrow?

20. Did Shakespeare write “Romeo and Juliet”?

 Was " Romeo and Juliet" written by Shakespear?

21.  (At the moment) I am (spending) my weekend (go to)=> going to (camping) with my friends. 

                  A                         B                               C         D

22.  My father (asked) me (to pay) (much attention) to English (next year).=> the next year

                            A             B             C                                    D

23.  (When) she (came to) my house I  (lied in)=>was lying in  bed (listening to) music.

          A               B                              C                 D

24.  (I think) I prefer (country life) (more than)=> to (city life).

         A                           B                 C            D

25.  (Can) you (tell me) what you (have done)=> were doing at 8 (o’clock) last night ?

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

36.  It’s 3 years since I last saw Nam.                                            

-      I haven’t seen Nam since 3 years

37.  “Don’t make so much noise, Peter.” said Carol                     

-      Carol told Peter not to make so much noise.

38.  Keeping the environment clean is very important.               

-      It’s very important to keep the enviroment clean.

39.  “You should turn off the lights before going out”. Mrs. Hoa said.

-      Mrs. Hoa suggested turning off the light before gone out

40.  Why don’t you plant some trees around your house to get more fresh air?

-      How about planting some trees around your house to get more fresh air?

1 won't drive- will have

2am having

3 is

4 spent 

6 stay- travel 

7 have been

8 Did- buy

9 study- will pass 

10 play

1Don't

2doesn't

3don't

4 don't

5 doesn't 

6 doesn't 

7 doesn't 

8 don't 

Bài 2

catches

Wears

drink

goes

has

eat out

watches

teaches

Bài 1 

1.1Kiểu hình F1: 100% hoa tím

=> tính trạng hoa tím trội hoàn toàn so với tính trạng hoa trắng

Quy ước gen: A: hoa tím

                       a hoa trắng

kiểu gen AA: hoa tím

              aa hoa trắng

P:       AA               x                       aa

     ( tím)                                     (Trắng)

Gp  A                                           a

F1                 Aa( 100% hoa tím)

xét tỉ lệ đời con F2: \(\dfrac{Hoatim\: }{hoatrang\: }=\dfrac{750}{224}~\dfrac{3}{1}\)

F1x F1          Aa                x                 Aa

                ( tím )                                ( trắng)

GF1            A,a                                   A,a

F2     1AA : 2Aa:1aa

     Kiểu hình 3 tím: 1 trắng