7. If the man __________ succeed, he must work as hard as he can.
A. will
B. is to
C. is going to
D. should
(责任编辑:admin) |
7. If the man __________ succeed, he must work as hard as he can.
A. will
B. is to
C. is going to
D. should
(责任编辑:admin) |