根据下列句子及所给单词的首字母写出所缺单词。(每空限填一词)
【小题1】My parents always tell me not to t_________ strangers easily.
【小题2】Boys, you must o________ the rules when playing basketball.
【小题3】In order to r________ air pollution, we should use more solar power.
【小题4】To a________ waking the children up, he often used his key to open the door and stepped in quietly .
【小题5】Tony has a good sense of h__________. He often makes us laugh.
【小题6】As we are busy in the daytime, we are going to the flower market t_________.