Question

Chia động từ theo thì

Answer 1

2 had checked

3 left

4 hadn't said 

5 was walking

6 got

7 could hear

8 hit

9 had read

10 knew

11 saw

12 ran

13 had never experienced

Answer 2

1 happened

2 had checked

3 left

4 hadn't said 

5 was walking

6 got

7 could hear

8 hit

9 had read

10 knew

11 saw

12 ran

13 had never experienced