【C11】A．caredB．caringC．having caredD．to care

【C9】A．carelessB．caringC．carefulD．care

If the captain ____more careful, his ship would not have been sunk.A．should beB．were to be

What did Helen have to be careful to hide？A．Her lack of interest in history.B．Her low opin

I have been teaching for longer than I care to say, and always offer a course for enteri

My daughter is ill. I have to （)her at home.A.take hold ofB.take care ofC.pay attenti

Experiments have to be made under carefully _____ conditions .A.treatedB.suppliedC.re