The couple ______at this time yesterday. Nobody knew when they stopped.
#50618
A
heard quarrelling
B
heard to quarrel
C
were heard quarrelling
D
was heard to quarrel
推荐题目
— The social worker spent nearly two hours __________ the plan. He said he would discuss with you about it these two days.— Really? __________ is fine.
#48833
A
to look through; Some time
B
to look for; Any time
C
looking at; Some time
D
looking through; Any time
Mr Wang does what he can ________ us improve our English. 
#51198
A
help
B
to help
C
helping
D
helped
Sorry, Jim. I don’t have ______ time ______ with you.   --- That’s all right.
#49470
A
enough, to play
B
much, playing
C
enough, playing
D
many, to play
Do you have a pen?I want _____ a letter.   
#48775
A
to write
B
to work
C
writing
D
working