Câu hỏi:
________ he ________ hard last year, he would have lost the first prize.
- A Had – not studied
- B Had – studied
- C Didn’t – study
- D It – had studied
Phương pháp giải:
Lời giải chi tiết:
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Câu hỏi:
________ he ________ hard last year, he would have lost the first prize.
Phương pháp giải:
Lời giải chi tiết:
