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 is ill,          he goes to school
#56186
A
Although ; But
B
/ ; /
C
Although ; /
D
But ; Although
_______ Mary ______ John has been to China before, but they know a lot about it
#57612
A
Either, or
B
Both, and
C
Neither, nor
D
Not only, but also