When you drive a car,do remember that you________more quickly than you think.A.must be drivingB.must driveC.should driveD.may be driving
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D解析分析:must be driving(现在一定在驾驶)(现在,行为动词),must drive(必须驾驶),should drive(应该驾驶)(不是“可能性”),may be driving(可能在驾驶)(现在,行为动词)这些形式都是正确的,所以要看句意“你开车的时候,千万要记住你可能开得比你认为的速度要快。”,应该选D项。