单项选择题

Was it because he was ill ____ he asked for leave

A．so
B．when
C．why
D．that
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单项选择题
Time will____ whether I made the right choice or not.
A．see
B．say
C．tell
D．know
单项选择题
It suddenly ____ me how we could improve the situation.
A．occurred
B．feared
C．shook
D．struck
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