III/ 1. Has she ever read (ever: HTHT)

2. bought (ago: QKĐ)

3. have already met (already: HTHT)

4. didn't phone (last month: QKĐ)

IV/ 1. B had (wish, clause sau nó phải lùi thì, ở đây lui từ we have - we had)

2. C shorts (quần ngắn)

3. B population (dân số)

4. D How long (Bạn mua ngôi nhà này bao lâu rồi?)

5. C introduce (Let me introduce myself: để tôi giới thiệu về bản thân mình)

6. B play (used to+V bare)

V/ 1. This blouse was made by my mother. (Passive voice của quá khứ: was/were+V3)

2. A tree will be grown at this place. (Passive voice của tương lai đơn: will be + V3)

Giải thích các bước giải:

Ex3:

1. Has she ever read

2. bought

3. have already met

4. didn't phone

Ex4:

1-b 

2-c 

3-b 

4-d 

5-c

6-b

Ex5:

1. This blouse was made by my mother.

2. A tree will be grown at this place. 

Cho mình ctlhn+5 stars+1 thank nha

Chúc cậu học tốt!!!