________ if you want to do something, or you won’t be able to do it well.
#66250
A
To try your best
B
Trying you best
C
Try your best
D
Unless you try your best
推荐题目
_____ through this book and tell me what you think of it.
#66199
A
Look
B
Looking
C
To look
D
Having looked
Keep practicing and you _____ your English.
#66108
A
improve
B
will improve
C
improved
D
were improving
________ the kids had when they experienced the first snowfall--in the South.
#65926
A
How fun
B
What fun
C
How funny
D
What a fun
______ what the six blind men said sounded!
#66055
A
How foolishly
B
How foolish
C
What foolishly
D
What foolish
__________at the door before you enter the office，or you’ll be considered impolite
#65893
A
Knocking
B
Knocked
C
Knock
D
To knock