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I have kept the book _______ the morning of May 1.
#49497
A
on
B
in
C
since
D
of
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They never gave up _______  hard to achieve their dream .
#49923
A
working
B
work
C
worked
D
to work
Our Chinese teacher is good          us.
#48189
A
at
B
on
C
with
D
in
Do you want to chat ________ your friends _______ the Internet _________ weekends
#49736
A
with，in，for
B
with，on，at
C
to，on，at
D
to，at，on
I will work in Beijing ____ ten years.
#49802
A
at
B
for
C
after
D
in
 Our school plans to have a parents' meeting_______ the afternoon_______ January 27th.
#46928
A
in, of
B
on, in
C
on, of
D
in. at