单项选择题

The alarm clock didn't ring this morning. I ______ it last night.

A．did forgotten to wind
B．may have forgotten winding
C．ought to have forgotten to wind
D．must have forgotten to wind
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单项选择题
It wasn't such a good dinner ______ she had promised us.
A．that
B．as
C．which
D．what
单项选择题
He drove to the airport to ______ Mr. Dixon who came to see him from Orillia.
A．pick up
B．set out
C．call for
D．tone down
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