Though ____ the dangers of smoking to their health, smokers still find it hard to give up smoking.
#80767
A
aware
B
aware of
C
are aware of
D
be aware of
推荐题目
______________should be paid to our study,and only in this way ________make progress.
#81961
A
Heart;we can
B
Mind;can we
C
Attention;can we
D
Notice;we can
_______, nobody was injured in the accident.
#82760
A
As it may seem strange
B
Because it may seem strange
C
Strange as it may seem
D
Strange as may it seem
——Do you think Jack is going to watch a football match this weekend? —— _____. 
#84510
A
I believe not
B
I believe not so
C
I don’t believe it
D
I don’t believe
 Hardly ______ when the bus suddenly pulled away.
#84020
A
they had got to the bus stop
B
they got to the bus stop
C
did they get to the bus stop
D
had they got to the bus stop