--- 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
 I ____ my book everywhere.
#62542
A
hunt
B
hunted for
C
hunted
D
hunting for
You must keep your eyes ________. 
#57136
A
close
B
closed
C
closing
D
to close
Steven’s parents ______ him off at the airport tomorrow.
#53425
A
will see
B
saw
C
see
D
has seen