Question

【题目】—Could you please your room, Tom?

— .

A. cleaning, No problem B. clean, Certainly

C. to clean, Of course D. clean, No I couldn’t

Answer 1

【答案】B

【解析】句意“-你能打扫一下你的房间吗？-当然”。could为情态动词，后用动词原形，排除A和C。用could问要用can回答，排除D。故选B。