At the beginning of a speech, it is very important to grab the audience's attention and make them interested in ____ you have to say．
#31048
A
what
B
which
C
that
D
who
推荐题目
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