Einstein,the famous scientist,was born ____________ March,1879.
#46590
A
at
B
on
C
in
D
to
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—How do the children cross the river to go to school in that small village? —They cross the river _________.
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A
on a ropeway
B
by bike
C
by the boat
D
on foot
The light is still ,Mr. Green _________at home now.
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A
on, can be
B
down, may be
C
on, must be
D
up, can’t be