It’s hot ____________summer in Beijing.
#46594
A
by
B
on
C
at
D
in
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---Let’s go hiking __________ staying at home, shall we? --- A good idea.
#46499
A
as well as
B
in order to
C
instead of
D
because of
Which flat do you live ________ and which floor do you live ________ ?
#46370
A
in; on
B
on; in
C
in; /
D
/; on