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They will build nature reserves _____ protecting ______ birds.
#46946
A
to; in danger
B
for; endangered
C
to; endangered
D
for; in danger
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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
It’s necessary ______ us to keep our pets clean everyday.
#51110
A
of
B
for
C
with
D
between
 —All the teachers went home _________ Mrs. Wang. Why?—Because she had to finish her work.
#46703
A
beside
B
besides
C
without
D
except
 The pretty girl is known_______ the public_______ a little film star_______ her excellent performance in a film
#46961
A
in; as, with
B
to, as, for
C
among; with; in
D
by; for; because of
Daming is waiting ______the bus station at the moment. 
#45803
A
for
B
at
C
on
D
in