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【单选题】
I doubt Sam will be the new chairperson of the Students’ Union.I don’t think he’d be able to organize things well.A.
that
B.
what
C.
which
D.
whether
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举一反三
【单选题】Nowadays, children under 1.4 meters _______________ be free to take buses in some cities.
A.
need
B.
must
C.
shall
D.
can