【判断题】Writers should be careful to give only good characteristics to their protagonists.
【单选题】---Be careful, don’t forget to follow your father. ---I know that, Mum. One can never be too careful.
【单选题】轿车空调制冷系统制冷效果不足故障的原因是( )
【单选题】It's important ______ fire. [ ]
【单选题】Be careful to move the equipment --- ______ it gently.