When we ..............at the airport we........that we..............our pastports at the office.

Câu hỏi :

When we ..............at the airport we........that we..............our pastports at the office.

A arrived/ had noticed/ had left

B arrived/ noticed/ had left

C have arrived/ noticed/ left

D had arrived/ have noticed/ have left

* Đáp án

B

* Hướng dẫn giải

Phương pháp giải:

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