We must keep the classroom ___________.
#61530
A
clean
B
to clean
C
cleaning
D
cleaned
推荐题目
She raised her voice to make everybody in the room ____ her clearly.
#52228
A
heard
B
to hear
C
hear
D
hearing
How does your brother go to school? He usually _________ to school.
#59119
A
walk
B
by bus
C
walks
D
taking a bus
— Are we going to have sports meeting this week? — No. It’s ______till next week because of the bad weather.
#53912
A
put away
B
put on
C
put up
D
put off