一 Be careful! Don"t forget you are on a ladder. 一 But you are holding it for me,

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一 Be careful! Don"t forget you are on a ladder.
一 But you are holding it for me, nothing _____.[ ]
A. wrorry about
B. to worry about
C. is worried about
D. worrying about

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举一反三

_____ a solution to the problem of water shortage, we have to put all our efforts together. [ ]
A. To work out
B. Working out
C. Work out
D. Being worked out

题型：天津模拟题难度：| 查看答案

There is nothing more I can try _____ you to stay, so I wish you good luck.
A. being persuaded
B. persuading
C. to be persuaded
D. to persuade

题型：同步题难度：| 查看答案

She worked deep into the night _____ a long speech for the president. [ ]
A. to prepare
B. preparing
C. prepared
D. being prepared

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_____ the project in time, the staff were working at weekends.
A. Competing
B. Having completed
C. To have completed
D. To complete

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Be careful _____ to turn off the light.
A. not forget
B. not to forget
C. forget not
D. forget to not

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