题目内容

Listen and circle

(1)[C]  [D]  [!D]  (2)[C]  [D]  [!D]

(3)[C]  [D]  [!D]  (4)[C]  [D]  [!D]

答案:
解析:

  (1)[D];(2)[C];(3)[C];(4)[!D]

  (1)sailed;(2)helped;(3)washed;(4)waited


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