Nobody can live________ fresh air and clean water.
#46482
A
with
B
in
C
by
D
without
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_______theexam, we'll say good-bye to our dear teachers, classmates as well as ourbeautiful school.
#46042
A
In
B
For
C
After
D
Through
The boy did his homework with the help of his father in the past. But now he can do it alone.
#47839
A
for himself
B
on himself
C
by himself
D
with himself