单项选择题

Without the worker's help, Sam ______ so much progress.

A．would not make
B．would not have made
C．will not make
D．did not make
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单项选择题
Where did you get your watch ______
A．repair
B．to repair
C．repaired
D．repairing
单项选择题
Not a single word ______ all morning.
A．did he say
B．he said
C．said he
D．does he say
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