All lights______after the students left the classroom


  1. A.
    went down
  2. B.
    goes off
  3. C.
    goes down
  4. D.
    went off
D
試題分析：go down表示停止，被接受，沉下，被打敗的意思，而go off表示離開，消失，變差，熄火的意思，所有的燈都熄滅，所以將go down和went down，排除，又根據(jù)時間狀語after the students left the classroom.可知答案為一般過去時，故選D
考點：動詞詞組和動詞的時態(tài)。
點評：本題考查的是動詞詞組的區(qū)別和識記
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