don’t hesitate to us if he doesn’t in time. A. turn to; turn off B. turn to; turn up C. turn up; turn to D. turn down; turn up 查看更多

 

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Don't hesitate to ______ us if he doesn't ______ in time.
[      ]
A. turn to; turn off
B. turn to; turn up
C. turn up; turn to
D. turn down; turn up

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