Earth is becoming more and more polluted. ______, people will move to Mars one day.
#55145
A
In order to
B
So that
C
As a result
D
Because of
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He was so tired that he fell asleep ___he went to bed.
#58470
A
as if
B
even though
C
ever since
D
as soon as
Making friends is not easy. Sometimes it can take years you become true friends with someone.
#58274
A
before
B
after
C
because
D
Unless
