Ex4:

1, will come

2, drinks

6, Does she get

7, Will David

Trang sau

3, go - will go

4, will visit

5, is playing

6, won't invite 

7, will be

8, are waiting

Ex5:

1, visit

2, are speaking

3,  watch

4, goes

5, is riding

6, are playing

7, won't come

8, are talking

Ex6:

1, helps

2, started - lasts

3, to do

4, will be

5, go

6, is having

7, won't come

8, Did you hear - was - read

9, got - was - went

10, earned - has already spent

Ex8:

1, Will they come

2, will you get

3, will you do

4, Is she

5, is the sunset

7, have known

8, have learnt

9, have been

10, stayed

Hok tốt!

Exercise 4

1. will come

2. drinks

6. She got

7. Was David