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When you go _________ the street, you must be careful.
#47521
A
crossing
B
cross
C
across
D
pass
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    sunlight ,all living things would die. 
#49017
A
with
B
without
C
in
D
Under.
As we know, zoos provide homes _____many endangered animals.
#46464
A
in
B
of
C
for
D
with
  --- It is selfless _____ the doctor to devote all the time he had     for the patients.--- I think so, they are so great.
#45884
A
for; to care
B
of; to care
C
for; to caring
D
of; to caring
--Is this       photo      Kate’s family? --Yes, it is.
#50353
A
a; to
B
a; of
C
an; for
D
an; at
Exercise is good ______us.  
#47654
A
at
B
in
C
of
D
for