7.are studying

8.doesn't do

9.is asking

10.aren't working

XIII

1.When

2.Where

3.What

4.How

5.Who

6.What

7.How

8.How often

9.How many

10.How much

C.Speaking

1.What subjects do you have on Friday?

2.What are Phong and Nam doing at the moment?

3.How many floors are there in your new school?

4.Who is Sam having lunch with?

5.What do you usually do after school?

6.How often does your father go to the judo club?

7.When do you have physics?

8.Where are they going?

Phần 2

7) are studying

8) doesn't do

9) is asking

10) aren't working

Phần 3 

1) When

2) Where

3) What

4) How

5) Who

6) What

7) How

8) How  often

9) How many

10) How much

C. Speaking

1) What subjects do you have on Friday?

2) What are Phong and Nam doing at the moment?

3) How many floors are there in your new school?

4) Who is Sam having lunch with?

5) What do you usually do after school?

6) How often does your father go to the judo club?

7) When do you have physics?

8) Where are they going?