—Come and join us, Jimmy! —I'm sorry, bu
问题:
—Come and join us, Jimmy!
—I'm sorry, but I'm really busy now. If I _____ time, I would certainly go.
A. have
B. have had
C. had
D. will have
—Come and join us, Jimmy!
—I'm sorry, but I'm really busy now. If I _____ time, I would certainly go.
A. have
B. have had
C. had
D. will have