【正文】
以用虛擬語氣合適。 must not select表示一定不要選。 using為動名詞, 不能做way 的定語, way要求不定式做定語。 2022年考研英語語法練習題及答案(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. be B. will have been go D. will have gone 3. Many ways have been found_____small and simple machine to process large and plicated machine parts. A. by using B. to use C. using D. used 4. I walked down the corridor, my footsteps_______frightenin