—Is your ball on the chair? — No. It’s _____the chair.
#50690
A
on
B
in
C
under
D
at
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---Good news! A new educational CD-ROM has just come out!---Great! I’d like to study and play_______________.
#49563
A
at times
B
in time
C
on time
D
at the same time
----- Will they send their homework ______ the teacher ______ e-mail ?--- -Yes , they will.
#47792
A
to , by.
B
at,with.
C
for ,by
D
by , to