Some people waste a lot of food ____ others haven't enough to eat.
#31215
A
once
B
when
C
as
D
while
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She understood what I was talking about, it was the first time we had spoken together.
#33624
A
whether
B
even though
C
as though
D
since
The teacher talked in a very low voice_____make himself________, clearly.
#34188
A
in order to; hear
B
so as not; hear
C
in order not to; heard
D
so that to; heard
You’ll start having positive results you replace negative thoughts with positive ones .
#30852
A
since
B
unless
C
until
D
once
He didn't expect that his parents could manage to know ________ is going on in his college life on the Internet.
#30084
A
how
B
which
C
what
D
that
Sometimes, ___ we show our gratitude for a person is reflected in the kind of food we serve him or her．
#30972
A
whether
B
when
C
why
D
how