a bus______(drive)must be careful when he is driving.用括号内的单词

a bus______(drive)must be careful when he is driving.用括号内的单词 one can't be careful when he is driving a car,( 反意疑问句 Mr Brown is always careful when he _____(drive) YOU CANNOT BE ? CAREFUL WHEN YOU DRIVE A CAR Look!The ( )is driving a big bus(drive）用所给单词的适当形式填空 英语翻译You must be careful when you are there,because the drive The car driver is very____（careful）when he is driving It is great__ for a person to be able to drive when he is se You cannot be __ careful when you drive a car.A.very B.so C. you can't be too careful when driving. please be careful when you drive your in the snow.这里的 be 是什么 When the fire d----- is high,we must be careful.We must not