I have been living in the United States for 20 years, but seldom ______ so lonely as now.
#81842
A
have I felt
B
I had felt
C
I have felt
D
had I felt
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Not until he finished his homework          him to watch TV in the evening .
#83399
A
his mother allowed
B
his mother had allowed
C
did his mother allow
D
had his mother allowed
Tom doesn’t want to take part in any school activities,________.
#84199
A
and David doesn’t too
B
and David doesn’t either
C
and so doesn’t David
D
and either does David
 “We_____ the train had we left earlier,” the wife complained to the husband.
#81512
A
wouldn’t miss
B
wouldn’t have missed
C
would miss
D
would have missed