Something ___ to save our earth. Do you think so?
#88938
A
can do
B
must do
C
has to do
D
must be done
推荐题目
It is usually not quite cold in this area in March, but sometimes temperature __________be very low.
#89317
A
should
B
can
C
must
D
shall
Food safety has become a growing concern. Had the offenders been punished severely enough, the situation________ different now.
#86695
A
will have been
B
would have been
C
would be
D
shall be
（2014年(春)重庆市高三考前冲刺测试卷）11. How I wish __ more when I was at university, which is too late now.
#86390
A
I would learn.
B
I would have learned
C
I had learned
D
I learned
—Did you pass the driving test?—No.I ________ it，but I had little time practising.
#86355
A
could have passed
B
must have passed
C
can't have passed
D
shouldn't have passed
To be on the safe side, we should fill up the tank now, because we ______ run out of gas on the way.
#90054
A
can
B
would
C
might
D
should