—I use your dictionary Tom? —Of course you A. Can; could B. Could; canC. Could; couldD.

问题补充：

—I use your dictionary, Tom? —Of course, you

A. Can; could

B. Could; can

C. Could; could

D. Can; might

答案：

A. Can; could

(答案→)B. Could; can

C. Could; could

D. Can; might

解析：could是情态动词can的过去时，但有时表示一种语气而不是一种时态。