Unit 7International charities,.根据首字母及汉语提示补全单词 1.She trained for a year as a secretary( 秘书 ). 2.My trip to India( 印度 ) was quite an unforgettable experience. 3.He dreamt of being an officer( 军官 ). 4.Can you give me any suggestions on this matter( 事情 )? 5.Check( 检查 ) it carefully before you hand it in. .根据句意用所给词的适当形式填空 1.Are you afraid ofdoing( do ) the work by yourself? 2.She is often askedto sing( sing ) in front of class. 3.Li Ming used to walk to school but now he is usedto taking( take ) a bu