Please _________ because this is a reading room.  
#59430
A
quiet
B
to be quiet
C
to quiet
D
be quiet
推荐题目
_____ carefully, Michael! There’s a school ahead.
#59343
A
Drive
B
To drive
C
Drove
D
Driving
______ until the lights have turned to green. 
#66190
A
Wait
B
To wait
C
Waiting
D
Having waited
___for us to surf on the sea in summer! 
#66286
A
What exciting is it
B
How exciting is it
C
What exciting it is
D
How exciting it is
______ the road and you’ll see the hospital.
#59442
A
Crossing
B
Walk cross
C
Across
D
Walk across