单项选择题

There is no doubt ______ he'll come.

A．that
B．whether
C．of
D．about
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单项选择题
Scarely had I reached there ______ it began to rain.
A．than
B．that
C．when
D．while
单项选择题
______ to help was a great encouragement to us.
A．Their coming
B．Their came
C．They coming
D．They come
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