When Madam Cuirie did the science experiement again, she was more careful where she ____

When Madam Cuirie did the science experiement again, she was more careful where she _____ a mistake.

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made

has made

was making

had made

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I___there little more than a week when I set to work with the scientist.

#104067

would be

have been

had been

will be

 We will lose the game unless he ______ us.

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helps

helped

was helping

has helped

—Do you have any plan for this Sunday? —Yes, I ______ shopping with my friends．

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am going

went

have gone

—What do you think Mr.Green is like?—Haven’t you seen through him?I have warned you again and again that men of this kind______

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is in danger

are in danger

is dangerous

are dangerous

Many couples feel lonely at home when their children        to go to college.

#99327

grow up

have grown up

grew up

had grown up

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