If they ______ what I was saying, they’d know what I was talking about.
#102347
A
took the trouble to listen to
B
had trouble listening to
C
take the trouble to listen to
D
have trouble listening to
推荐题目
I ________ while reading the English textbook. Luckily, my roommate woke me up in time! 
#104783
A
had fallen asleep
B
have fallen asleep
C
fell asleep
D
fall asleep
It is bad manners to ________an invitation without a reason.
#99896
A
break down
B
settle down
C
turn down
D
calm down
Up to now, they _________ a good way to solve that problem.
#102584
A
didn’t find
B
can’t find
C
hadn’t found
D
haven’t found