1. Although she wrote a lot of short stories and poems when she was very young, ____she was twentyfive.
A. her first real success did not come until
B. her real first success came until not
C. since her first real success did not come until
D. not until her first real success
2. You should know better than____ your little sister at home by herself.
A. to leave B. leaving C. to have left D. left
3. As the train will not leave until one hour later, we ____grab a bite at the snack bar.
A. may well B. just as well C. might as well D. as well
4. She resorted to ____ when she had no money to buy foods for her children.
A. have stolen B. steal C. stole D. stealing
5. The boy has admitted to ____ the window while playing football yesterday.
A. breaking B. having been broken C. break D. be breaking
参考答案及解析: 1. A) 【句意】虽然她很小的时候就写了很多短篇小说和诗歌，但她直到25岁才迎来第一次真正的成功。
【难点】这是一个练习not until结构的句子。
2. A) 【句意】你应该知道，不该把你小妹妹一个人留在家里。
【难点】to know better than to do sth.是一个常见的表示责备的句型，意为“应该知道不该做某事”。
3. C) 【句意】既然火车一个小时以后才开，我们不妨到快餐店吃口东西。
【难点】might as well后接动词原形，意为“不妨，何不”。
4. D) 【句意】当她没钱为孩子买吃的东西时，她开始偷。
【难点】resort to意为:求助于，其中to是介词，后接动名词。
5. A) 【句意】那个男孩承认在昨天踢足球的时候打破了窗子。
【难点】admit to中的to是介词，后接名词或动名词。