1. Be careful! It is poisonous.小心！它有毒。2. We celebrate Teachers' Day on September 10th every year.我们在每年的9月10日庆祝教师节。3. You should stop and wait when the traffic light turns red.交通灯变红时，你应该停下来等着。4. To be a good listener is important in conversations with others.在与他人交谈时，做一个好的倾听者是很重要的。5. More public bikes should be used for the good of clear sky and easy traffic.为了保持天空的晴朗和交通的顺畅，我们应该使用更多的公共自行车。