单项选择题

You cannot but ______ hard and stick to your goals if you really want to succeed.

A．work
B．to work
C．working
D．to be working

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单项选择题

He was the spirit of regnant labor as he stood there, his hands outreaching to rend and ______ his audience.

A．crush
B．clash
C．crash
D．crunch

单项选择题

The police caught tile man ______ into a house, videoed the whole process and arrested him ______.

A．to break, on the spot
B．break, on the spot
C．break, on spot
D．breaking, on the spot

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