(   ) 3. You       finish your homework before you play computer games.

A. ought    B. ought to

C. oughted to    D. oughts to

3. B情態(tài)動(dòng)詞ought to沒有人稱和時(shí)態(tài)的變化。 故選B。

題目來源：仁愛英語同步練習(xí)簿九年級(jí)上下冊(cè) > Topic 3 What can we do at home to protect the environment？

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