XII.

1. am looking

2. know

3. are doing 

4. plays 

5. have listened 

6. has watched 

7. is studying 

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.

I.

1. What subject do you have on Friday?

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

3. How many floors are there does your new school have?

4. Who is Sam having lunch with?

5. What do you usually do after school?

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

6: watches

7: are talking

8: shines

XII:
1: am looking

2: know

3: are doing

4: plays

5: am listening

6: watching

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:

I:

1: What do you have on Friday?

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

3: How many floors does your new school have?

4: Who is Sam having lunch with?

5: What do you usually do after school?

6: Hw often does your brother go to the judo club?