American students take part in a wide variety of after-school activities _______ they develop their social skills.
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A
where
B
which
C
that
D
what
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The hotel _____ during our holidays stands by the seaside.
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A
we stayed at
B
where we stayed at
C
we stayed
D
in that we stayed
She came back with her two friends,        . 
#78137
A
neither of them are doctors
B
neither of them is a doctor
C
neither of whom are doctors
D
neither of whom is a doctor