_ Could I use your dictionary for a while please ?_ . I’m not using it at the moment.A.

问题补充：

_ Could I use your dictionary for a while, please ?

_ . I’m not using it at the moment.

A. Come on

B. That depends

C. Go ahead

D. That’s great

答案：

A. Come on

B. That depends

(答案→)C. Go ahead

D. That’s great

解析：考查交际用语。A加油；B看情况；C去做吧！D太棒了。句意：—我能用你字典吗？—用吧！ 我现在不用。Go ahead表示对对方的请求的允许。故C正确。