介词填空 急急急！！！

in for
at after
down
at in
OUT IN

注意我的才对哦~~~我是英语专业的哦~~

on for
at after
down
at at
away in

1.Don't read _in_ bed. It's bad _for_ your eyes.
2.Her mother is ill.She will have to stay _at_ home and look _after_ her.
3.Mary sits _in_ front of Tom.
4.Students often have sports _at_ 3:30_in_school.
5.Keep_away from_ the grass. Don't walk _on_it.

1.Don't read _in_ bed. It's bad _for_ your eyes. 不要在床上看书，这样对你的眼睛不好。
2.Her mother is ill.She will have to stay _at_ home and look _after_ her. 她妈妈生病了，她必须呆在家里照顾她。
3.Mary sits _in_ front of Tom. 玛丽坐在汤姆的前面。
4.Students often have sports _at_ 3:30_after_school.
5.Keep__off the grass. Don't walk _on_it.远离草地，不要践踏草坪。

on, for
at, after
in
on, at
from, on

1.in for
2.at after
3.in
4.at after
5.out in