题目内容

When he saw Jane fall down on the ice, he couldn’t help _____.

A. laugh
B. laughs
C. to laugh
D. laughing

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She is amazed that people still risk _____ without insurance.

A. to travel
B. travel
C. traveling
D. traveled

She refused _____ that there was a problem.

A. to accept
B. accepting
C. accept
D. accepted

The three men were caught when they tried to avoid _____ for speeding.

A. fining
B. being fined
C. to be fined
D. to fine

He was walking along the street. He stopped. He took a picture. (stop/take)

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