2017年考研英语语法练习题及答案(2)
出国留学考研网为大家提供2017年考研英语语法练习题及答案(2),更多考研资讯请关注我们网站的更新! 2017年考研英语语法练习题及答案(2) 1. After people have learned that magnets attract things, centuries passed ____ they took note of the fact that magnets sometimes also repel things. A. before B. until C. after D. since 2. He is off to Paris again tomorrow. He tells me that, with this journey, he ________ there and back twenty times. A.will be B. will have been C.will go D. will have gone 3. Many ways have been found_____small and simple machine to process large and complicated machine parts. A. by using B.... [ 查看全文 ]2017年考研英语语法练习题及答案(2)的相关文章