小题1: We must be p________ if we ask others questions. 小题2:Kate r________ a letter from her grandparents three days ago. 小题3:She is an e________ teacher, so we all like her class. 小题4:you must be careful to c________ the road. It’s dangerous. 小题5: The teacher looks very angry. Do you know what h________? 小题6:She was very___________(紧张) while she was having a test. 小题7:It’s not right for you  ___________(抄) others’ homework. 小题8:She had a very unusual _____________(经历) on last Sunday. 小题9:She wants to be a _________(科学家) when she grows up. 小题10:If you have a ____________（机会）to go to America, take it.