【正文】
英語(yǔ) 選修 6(人教版 ) 第四學(xué)時(shí) Grammar 跟蹤練習(xí) 一、單項(xiàng)填空 1. A lot of language learning, ________ has been discovered, is happening in the first year of life, so parents should talk much to their children during that period. A. as B. it C. which D. this 答案: A 2. It is none of your business ________ other people think highly of him. A. how B. whether C. which D. when 答案: B 3. — He got his first book turned out to be a best seller. — When was ________? — ______ was in 2021 when he was still in college. A. that; This B. this; It C. it; This D. that; It 解析: that 指代前文他的第一本書成為暢銷書這回事情, it 指時(shí)間。 答案: D 4. He didn39。t make __________ clear when and where the meeting would be