--- Hello! Is that Tom over there? Long time no see. Let’s say hello to him.---Please _____ in the library.
#52173
A
keep clean
B
keep quiet
C
wait in line
D
drop litter there
推荐题目
The food mother cooked _____ very delicious.
#59510
A
is tasted
B
tastes
C
is being tasted
D
to taste
The teacher told the students _____in class.
#53861
A
not
B
don’t talk
C
didn’t talk
D
not to talk
The present on the desk  _______more than 100 yuan. 
#59257
A
spent
B
took
C
cost
D
paid
-The TV is too noisy, would you mind        a little, please?--Sorry, I will do it right away. 
#62107
A
turning it off
B
turning it on
C
turning it down
D
turning it up