6 tried - didn't pick up

7 grows

8 is playing - is rehearsing

9 will finish

10 will call

1 were working - heard

2 do you usually get - go - am taking

3 is talking

4 was reading - was preparing

5 was working

6 shall

7 will

8 shall

9 will

10 shall

1 shall

2 shall

3 will

4 shall

5 will

6 was able to

7 couldn't

8 can't

9 could

10 can

Bài 2

1 couldn't

2 could

3 was able to

4 can

5 can't

1 can

2 couldn't

3 can

4 couldn't

5 could

6 couldn't

7 can

8 can't

9 can't

It is a good idea and a good way to raise public awareness and promote national images

We must ensure that the athletes are well trained

It is vital to ensure social order and traffic safety