________ at the door before you enter my room, please.
#66075
A
Knock
B
Knocking
C
Knocked
D
To knock
推荐题目
_______over everything whenever we want to make a decision, many people believe, and we will have less chance of making mistakes.
#65967
A
Think
B
Thinking
C
To think
D
Thought
____________ be late, or you will miss the exciting beginning of the speech.
#59367
A
Mustn’t
B
Can’t
C
Don’t
D
Shouldn’t
________ 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
——________ late for school again, Tom!——Sorry, I promise I _________.
#59444
A
Don’t, will
B
Don’t be, won’t
C
Don’t be, don’t
D
Don’t, won’t
The women carrying babies, come in first, ______?
#65996
A
will you
B
will they
C
don’t they
D
don’t you