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It hasn’t been decided whether (if) we shall attend the meeting. 5. He didn’t know ________ to do or not. A. if B. whether C. what D. how 2020 Olympic Games will be held in Japan is not know yet. A. Whenever B. If C. Whether D. That 2 在 suggest, insist, demand, order, require 等表示建議 ,命令 ,要求的動(dòng)詞后 ,從句的謂語動(dòng)詞要用虛擬語氣 ,即 : (should) +v. 。如 : I insisted that he (should) do it at once. She suggested that the work (should) be finished at once. 3 在接復(fù)合賓語的句子中 , 為了保持句子平衡 , 用it 作形式賓語 ,將從句放于句尾 , 常接復(fù)合賓語的動(dòng)詞有 : make, find, see, hear, feel, think... I think it necessary that we take plenty of hot water every day. I think that we take plenty of hot water every day necessary 7. They make ____a rule whoever breaks the law will be punished. A. it B. that C. what D. this 表語從句 1. be, seem, look等動(dòng)詞后均可跟表語從句: It seems that it is going to rain. It looks as if it is going to rain. 2. as if, because 也可引導(dǎo)表語從句。 It was because I got up late. 注意 :在表語從句中 ,當(dāng) reason做主語時(shí) ,引導(dǎo)詞只能用 that,不能用 because,如 : The reason was that he didn’t catch the early bus. 原因是因?yàn)樗麤]有趕上早班車。 4. 主句的主語是名詞