题目内容

The train was ____ underground by the sudden burst of fire.

A. prevented
B. blocked
C. trapped
D. dragged

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Kodak, along with many a great company before it, appears simply to have ____ .

A. run its course
B. run its cause
C. run their courses
D. run their causes

Water in the pond was contaminated by the waste water from the paper factory often ____ into rivers and streams during storms.

A. overflowing
B. emerging
C. flowing
D. merging

Having failed for several times, he is now determined to get rid of the traditional method and begin ____.

A. again
B. over
C. on
D. anew

If the woman had not worn the mask, she ____ killed in the fire.

A. would have not been
B. would not be
C. would have been
D. would be

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