An apple a day is good _______ your health. 
#47604
A
to
B
in
C
at
D
for
推荐题目
You should come to school ____________.
#49996
A
in time
B
on time
C
at the same time
D
all the time
He will leave school______two days.
#48702
A
with
B
after
C
in
D
on
They arrived ______ London ______ the morning of July 1.
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A
in , in
B
in , on
C
on , in
D
at , on
Look!  The train is going _______ the tunnel.
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A
across
B
along
C
through
D
round