It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer. 
#87208
A
work 
B
will work
C
worked 
D
have to work
推荐题目
Anirban Maitra, a professor at Oxford University, Jack’s success would not have been possible.
#86891
A
If it weren’t for
B
Were it not for
C
Had it not been for
D
If it hasn’t been for
I’d rather you did some housework when you are free ,but you______ .
#89516
A
didn’t
B
shouldn’t
C
weren’t
D
don’t
I was caught in a traffic jam for over an hour, otherwise I ________ you waiting for such a long time.
#86683
A
will not keep
B
have not kept
C
had not kept
D
would not have kept