Câu hỏi:
She looked very tired as if she _______ from early morning till late at night.
- A was working
- B worked
- C had been working
- D has been working
Phương pháp giải:
Lời giải chi tiết:
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Câu hỏi:
She looked very tired as if she _______ from early morning till late at night.
Phương pháp giải:
Lời giải chi tiết:
Câu hỏi trước