专四考试中，有语言知识这一种题型，一共有20题，其实就是词汇语法题啦，语法看似简单，但是却是很多人的失分点，所以为了让大家保证在这项上不失分，今天小编就为大家带来一些精选练习题!1. He ____have been nervous because he didn’t go straight in.

　　A. ought to B. must C. should D. had to

　　2. I am quite sure that I can ____ Michael into letting us use his car tomorrow.

　　A. speak B. talk　C. tell D. say

　　3. Jean could be a very attractive girl but she____to her clothes.

　　A. pays no attention　B. was paying no attention C. paid no attention　D. had paid no attention

　　4. When questioned by the interviewer, my mind went____, and I could hardly remember my own date of birth.

　　A. ..........