--- 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
 Before you leave the classroom, please       the lights.
#60235
A
turn up
B
turn down
C
turn on
D
turn off
Let’s ________ for a walk, shall we?
#53070
A
to go
B
going
C
go
D
gone
— The floor is dirty. Would you please         _?— With pleasure.
#59143
A
mop it up
B
mop up it
C
to mop it up
D
to mop up it