The students will stay _____ home and send their homework to the teacher _____ email .
#50881
A
at , by
B
at , at
C
by, by
D
by , at
推荐题目
—What class are they having?—Math. Their math teacher is _____ the classroom.
#48064
A
in the front of
B
in front of
C
on
D
behind
— 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
I am looking after little Tom today. He's been in my house _ 8:00 this morning.
#46052
A
at
B
since
C
for
D
till