Question

【题目】— Come and join us, Jimmy!— I'm sorry, but I'm really busy now. If I ________ time, I would certainly go.
A.will have
B.have had
C.had
D.have

Answer 1

【答案】C
【解析】句意：来加入我们吧，吉米！很抱歉，我现在真的很忙。如果我有时间，我一定会去的。表示与现在事实相反的事实，常用一般过去时，所以选C。