【预习目标】
1. donate ... to . .. 捐……给……
donate mone y to charities 给慈善机构捐钱
donate blood to people in need 给有需要的人献血
3. have trouble (in) doing sth. 做某事有麻烦
e.g. Do you have trouble in learning English? 你在英语上有困难吗?
相关短语：
have no trouble in doing sth 做某事没困难
have some trouble in doing sth 在做……方面有困难
