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1. We didn't start our discussion __________ everybody arrived.
A.
since
B.
if
C.
while
D.
until
【考点】
连词辨析;
【答案】
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单选题
普通
课时演练
换一批
1. When he came to the stage, all the audience started
.
A.
scream
B.
to screaming
C.
screaming
D.
screamed
单选题
普通
2. Around the world more and more people are
dangerous sports activities, because life in modern societies has become safe and boring.
A.
talking about
B.
taking off
C.
taking part in
D.
taking care of
单选题
普通
3. 我周末打算帮妈妈做家务。
I am going to
my mother
the housework
.
翻译
容易