__ we are young, we can still do something to help protect the environment.
#58217
A
If
B
Since
C
Because
D
Though
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My grandpa is _________ weak ______ look after himself．He needs help．
#56165
A
so, that
B
very, to
C
so, to
D
too, to
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#58381
A
until
B
before
C
while
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since
Go to the Olympic Center by underground instead, ______ you’ll be late for the match.
#56555
A
and
B
unless
C
but
D
or
__________Project Hope , thousands of children have better lives.
#57051
A
Why
B
Because
C
Because of
D
From