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【单选题】
I have no doubt ______ most of the students in our class can pass the final examination.A.
whether
B.
although
C.
that
D.
as
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举一反三
【简答题】带式输送机布置形式有（ ）几种基本形式。在具体使用时，应根据输送工艺的需要进行选择。
【简答题】I haven’tseen him for years.____fact, I can’teven remember what he looks like.A. To B. For C. In D. With
【单选题】He bougth an i-pad as a present for his mother, ______ made her very happy.
A.
that
B.
what
C.
which
D.
who
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