The pilot kept calm in the terrible storm, otherwise the accident ______.
#90178
A
couldn’t be prevented
B
mustn’t have prevented
C
wouldn’t have been prevented
D
shouldn’t prevent
推荐题目
If I hadn’t stood under the ladder to catch you when you fell, you _________ now.
#87546
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile
If I _______ it, I would do it in a different way.
#88203
A
were to do
B
do
C
had done
D
was to do
How I wish I ____ the mistake! Everybody present was angry with me.   
#90109
A
didn’t make
B
hadn’t made
C
wouldn’t make
D
wasn’t making