We should always keep the classroom ________ and tidy.
#55199
A
cleaning
B
cleaned
C
to clean
D
clean
推荐题目
What colour _______the apple?
#58209
A
is
B
are
C
/
D
do
Danny did all kinds of things to make the baby _________
#52512
A
to stop crying
B
stop crying
C
to stop to cry
D
stop to cry
 I usually use my computer _________my emails and buy tickets.
#56132
A
check
B
chceks
C
to check
D
checking