The experiment involves _____ on some mice.

The experiment __________，the students went on to take notes in the experiment report

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Scarcely ______ now without some sort of incident involving the old lady living at the end

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The new product is on ____ before it is put on the market.A) testB) trialC) experiment

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Dr. Wrangham conducted the experiment on rats which did not rely on cooking because______.

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Cosmetic surgery involves ____ reshaping the body features.A、inB、atC、on

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He talked about the ______ experience they had on the trip.A、amusingB、amazingC、amusedD、m

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Why not get some work experience first ______ go straight on to university?A.other thanB.rather than

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