Chọn đáp án đúng và giải thích: 1. My mother has been busy ...... all afternoon. A. cook B. cooking C. to cook D. cooked 2. "Thank a lot for lovely dinner "-"....." A. You're welcome B. It's all right C. Thank you too D. Please don't say 3. He ..... drive too fast because it's very dangerous. A. should not B. don't should C. should D. not should

1. My mother has been busy ...... all afternoon.

A. cook B. cooking C. to cook D. cooked

$-$ Ta có cấu trúc: 

$⇒$ Busy+ V-ing: Bận làm việc gì

$-$ Thì HTHT:

$→$ S+ have/ has+ V-ed/ PII

2. "Thank a lot for lovely dinner "-"....."

A. You're welcome B. It's all right C. Thank you too D. Please don't say

$-$ Cụm từ:

$→$ You're welcome: Không có gì đâu

3. He ..... drive too fast because it's very dangerous.

A. should not B. don't should C. should D. not should

$-$ Ta có cấu trúc:

$⇒$ Should+ V-inf: Nên làm gì đó

$-$ Too+ adj: Qúa làm sao

$#Jade$