单项选择题
Though he had often made his little sister ______,today he was made by his little sister. ( )
单项选择题 The changes in the city will cost us a lot of money, ______ they will save us money in the future. ( )
单项选择题 The book is so ______ I returned to the library without finishing it. ( )
单项选择题 I finally got the job I dreamed about. Never in my life ______ so happy. ( )
