Could I use your mobile phone now?— Yes of course you .A. canB. couldC. were able toD. m

问题补充：

Could I use your mobile phone now?

— Yes, of course you .

A. can

B. could

C. were able to

D. might

答案：

(答案→)A. can

B. could

C. were able to

D. might

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