The Greens walked ________ the door just now.
#50918
A
over
B
at
C
on
D
through
推荐题目
— Helen, your English is pretty good. How can I improve my English?—I think you can improve your English ______ reading more.
#48262
A
at
B
by
C
on
D
for
Our teacher told us that we must be strict ourselves our study.
#51320
A
in with
B
with with
C
in in
D
with in
We should try our best to help the animals _______.
#49129
A
in dangerous
B
danger
C
in danger
D
dangerous
