I.

1.right

2.have you eaten-> did you eat (đã kết thúc trong quá khứ ->quá khứ đơn)

3.right

4.bought (last week là dấu hiệu thì qkđ)

5.have you been->were you (yesterday evening là dấu hiệu thì quá khứ đơn)

6.has left -> left (in 1999 là dấu hiệu thì qkđ)

7.right

8.right

9.right

10. were this book published

II. 

1. It hasn't rained this week.

2. The weather has been cold recently. (recently-> htht)

3. It was cold last week. (last week ->qkđ)

4. I didn't read a newspaper yesterday. (yesterday -> qkđ)

5. I haven't read a nespaper today. 

6. Emily has earned a lot of money this year.

7. She didn't earn so much last year.

8. Have you had a holiday recently?

III.

1. Have you seen

2. got; was; went ( 1 chuỗi hđ trong qk)

3. have you finished

4. wasn't

5. worked (kthuc trong qk)

6. has lived

7. Did you go; was; was

8. died; never met

9. have never met