— Tom is never late for work. Why is he absent today ?— Something _______ to him. 
#90568
A
must happen
B
should have happened
C
could have happened
D
must have happened
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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
If I hadn’t stood under the ladder to catch you when you fell, you ____ now.
#86941
A
wouldn’t be smiling
B
couldn’t have smiled
C
won’t smile
D
didn’t smile