Glenda ..................... extremely hard when she was a student.

Câu hỏi :

Glenda ..................... extremely hard when she was a student.

A. worked

B. has worked

C. was working

D. had been worked

* Đáp án

A

* Hướng dẫn giải

When she was a student: là thời điểm đã xảy ra trong quá khứ --> sử dụng thì quá khứ đơn

Đáp án A đúng

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