________ hard, and you will pass the final exam. 
#92479
A
Working
B
If you work
C
Work
D
To work
推荐题目
It _________ there is a disaster _________ people will think much of the safety.
#93943
A
is until; when
B
is until; that
C
isn’t until; when
D
isn’t until; that
The Great Wall is ________ place that millions of people pay a visit there every year.
#92047
A
so a well-known
B
a so well-known
C
such well-known a
D
such a well-known