________ hard, and you will pass the final exam. 
#92479
A
Working
B
If you work
C
Work
D
To work
推荐题目
-What’s the old man standing there? -He is _____, a new comer.
#94951
A
Mr. White
B
an engineer
C
Joe
D
Joe’s brother
— Why haven’t you asked her to come here?— She _______ an important experiment when I found her and she _______ it.
#92694
A
had done; didn’t finish
B
was doing; hasn’t finished
C
did; wouldn’t finish
D
did; hadn’t finished
.He said that not until the heavy snow blocked the express ______ how serious the weather was.
#94120
A
did the villagers realize
B
the villages realized
C
the villages did realize
D
didn’t the villagers realize