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        1. It could be learned from the teacher's eyes ________ he was very satisfied with her performance.
          A.that B.whether
          C.what D.where
          A
          答案:A?疾橹髡Z從句。句意:從老師的眼里可以看出老師對她的表演很滿意。分析句子結(jié)構(gòu)可以看出,前面的it為形式主語,真正的主語為that引導(dǎo)的主語從句,that無意義,不作成分,但是不能省略。
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