If we _______ adequate preparations, the conference wouldn’t have been so successful.
#87422
A
haven’t made
B
wouldn’t make
C
didn’t make
D
hadn’t made
推荐题目
If I hadn’t stood under the ladder to catch you when you fell, you _____ now.
#87397
A
didn’t smile
B
won’t smile
C
wouldn’t be smiling
D
couldn’t have smiled.
After hours of repair,the driver tried to start the car but it _______ work.
#89801
A
won.t
B
shouldn’t 
C
wouldn.t
D
couldn’t
 He did not regret saying what he did but felt that he ________ it differently.
#86555
A
could express
B
would express
C
could have expressed
D
must have expressed