VIII,

is/is reading

do you do/am

are you going/am going

are doing

is playing

is flying

is singing

go/go

brushes/is brushing

play/are playing

IX,where are your friends playing?

what is mr tan doing in his room?

what are linh and quang doing in the classroom?

what time is it?

what is your sister doing?

where is he reading?

where is the train going?

what is her mother doing?

what does his sister do?

where does your mother work?

VIII.

 1/ is ; is reading

 2/ do you do ; am

 3/ are you going ; am going

 4/ are doing

 5/ is playing

 6/ are flying

 7/ is singing

 8/ go ; am going

 9/ brushes ; is brushing

10/ play ; are playing

IX

1/ Where are your friends playing ?

2/ What is Mr Tan  doing in his room? 

3/ What are Linh and Quang doing in the classroom ?

4/ What time is it ?

5/ What is your sister doing ?

6/ Where is he reading ?

7/ Where is the train going to ?

8/ What is her mother doing ?

9/ What is his sister ? 

10/ Where does your mother work?