单项选择题

The speaker could hardly find safe ground _______ his arguments.

A．on which to base
B．to base on
C．on the base
D．which to base on
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单项选择题
_______ tomorrow, he would be able to see the opening ceremony.
A．Would he come
B．If he comes
C．Was he coming
D．Were he to come
单项选择题
He hurried to the hospital, only _______his father had just died.
A．to tell
B．to be told
C．telling
D．told
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