People in ancient times ______ series of important events so that we now have wh

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People in ancient times ______ series of important events so that we now have what is called history.     [     ]
A. went down
B. kept down
C. set down
D. broke down

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举一反三

Though the experiment didn"t ______ as it had been planned, the result was still ______. [     ]
A. work out; satisfied
B. carry out; satisfying
C. turn out; pleased
D. work out; satisfactory

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Artificial intelligence can never be equal ________ .[     ]
A. with that of us real humans
B. to us real humans
C. to that of us real humans
D. with us real humans

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_______your naughty niece closely and don"t let her ________ my regular sleep in the afternoon.      [     ]
A. Watch out; ruin
B. Watch over; spoil
C. Watch on; destroy
D. Watch out; spoil

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Just have little patience. We will _____ the case as soon as we have time.    [      ]
A. look for
B. look into
C. look up
D. look at

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It worries the parents a lot that their only daughter doesn"t study hard as she ______and is not so active as she ______. [     ]
A. used to; used to
B. would; would
C. used to; used to be
D. used to study; used to be

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