He alone a month ago, and of since. set off/hasn’t been heard setted

17/50

Mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the following questions.

He ……………………. alone a month ago, and …………………… of since.

set off/hasn’t been heard

setted off/hasn’t heard

set on/hasn’t heard

setted on/hadn’t been heard

Giải thích

Đáp án A

Loại B và D vì set-set-set. Set off: khởi hành

Set on/upon SB: tấn công ai đó đột ngột