专四考试第四部分是语法词汇题共有三十道题，同学们平时复习专四语法知识的同时可以做做专四全真模拟练习题。

　　1. Although she wrote a lot of short stories and poems when she was very young, ____she was twentyfive.

　　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

　　答案解析：

　　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。