Câu hỏi:
On that evening the landlady let us into her kitchen and so we ________ the normal gas cooker with four rings. Making so many pancakes on my two-ring electric stove would have taken too long.
- A could use
- B could have used
- C were able to use
- D may have used
Phương pháp giải:
Lời giải chi tiết:
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