______ at the door before entering please.
#66016
A
Knocked
B
Knock
C
Knocking
D
To knock
推荐题目
—Bob, it’s getting cold. take a jacket with you?---All right, Dad.
#59428
A
Why not
B
What about
C
How about
D
Why not to
-- Leo, ________ in bed. --. Sorry, Mom.
#59376
A
can’t sleep
B
not sleep
C
doesn’t sleep
D
don’t sleep
_________________ and you will succeed in time, I dare say.
#66122
A
To make more efforts
B
Making more efforts
C
Make more efforts
D
Made more efforts
To test eggs, _______ them in a bowl of water: if they float they’re bad, if they sink they’re good.
#66318
A
put
B
putting
C
to put
D
to be putting