He paid for a seat, when he _________ have entered free.  
#89251
A
could
B
would
C
must
D
need
推荐题目
I______it again. 
#89914
A
would like you to read
B
would like that you read
C
would like you reading
D
would like you read
He _______ busy yesterday, or he _______ you with your experiment.
#86706
A
was; had helped
B
was; would have helped
C
had been; would have helped
D
were; would have helped
Without your timely help, we ________ in big trouble that day.
#87130
A
would have been
B
would be
C
had been
D
were