________ hard, and you will pass the final exam. 
#92479
A
Working
B
If you work
C
Work
D
To work
推荐题目
The students ages ____ 15 to 18.
#92794
A
range
B
ranged
C
range from
D
ranges from
-Thank you very much. -You are welcome. I was _____ glad to help.
#94961
A
too much
B
only too
C
not so
D
very much
____ is no good ____ without doing anything.
#92333
A
This; talking
B
It; to talk
C
It; talking
D
That; to talk
One learns a knowledge by making mistakes and ______ them.
#92957
A
corrects
B
correct
C
to correct
D
correcting