The first week of university is an exciting time _______ freshmen familiarize themselves with their college and make new friends.
#31060
A
that
B
when
C
what
D
on which
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It puzzles the scientists _____ some mammals produce their young _____ others lay eggs.
#30772
A
that; while
B
what; while
C
that; as
D
what; as
—Can you work out the problem? —I can’t ______your explain how to do it.
#32743
A
but for
B
except
C
apart from
D
unless
We must never think we are good at everything others are good at nothing.
#31992
A
that
B
while
C
which
D
who
