You cannot be______ careful in making the decision as it was such a critical case.A．soB．to

You cannot be __________ careful 怎么选择

________ when you cross the road.A、Do careB、CareC、Do be carefulD、To be careful

You ______ be too careful when you drive a car in the rush hour.A．might notB．must notC．can

In doing experiments, you must be ______ the precision instruments.A．more than careful wit

You should take care that you have not ________ any detail in the design. A：disappeared

I hope that you 11 be more careful in typing the letter: dont______anything.A．lackB．withdr