Đáp án:

Giải thích các bước giải:

1.C( dấu hiệu last weekend qkđ)

2.B( dh since ht hoàn thành)

3.D( dh recently ht hoàn thành)

4.A(dh yesterday qkđ)

5.C(dh yet ht hoàn thành và dt số nhiều)

6.B( có has done ht hoàn thành và since +S+V qkđ)

7.D(dh yesterday qkđ)

8.B( có has...listened ht hoàn thành và for+khoảng tg)

9.C( since +S+V qkđ)

10. C( có was qkđ)

II.

1.This is  the first time I have ever eaten Japanese food.

2.The last time Kavin played badminton was five months ago.

3.My parents haven't been to London before.

4.They have been studying French since they were in grade ten.

5.He hasn't met his girlfriend for a long time.