Many source of information can （）our chances of getting in touch with the current event in the world.

I think it unnecessary to go back there，（）we have visited these places.

A.so that
B.in order to
C.provided that
D.now that

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Whenever he has trouble in study，he always tries，（），to get help from his teachers and classmates.

A.somehow
B.anyhow
C.no matter how
D.anyway

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