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If you sit in a chair _____a long time, your back may begin to hurt.
#50771
A
at
B
in
C
on
D
for
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—Is the tie made       silk?     —Yes, it’s made        Italy.
#46068
A
from, in
B
of, in
C
from, of
D
of, from
- How does your project help poor children in that Hope Primary School, Mr Lee? - We help them _______sending them teachers and books.
#49438
A
with
B
without
C
by
D
for
     , our world is more connected than before because of the Internet.
#45780
A
In some ways
B
In this way
C
On the way
D
By the way
The song reminded me________ an experience I once had.
#47049
A
to
B
for
C
at
D
of
—David left,do you know?—No,which team is he         now?
#51311
A
to
B
off
C
out
D
in