9. - Catherine, I have cleaned the room for you.

　　- Thanks. You ____ it. I could managed it

　　myself. (2005 福建)

　　A. needn't doB. needn't have done

　　C. mustn't doD. shouldn't have done

　　【解析】選D“情態動詞 + 完成時態”用來表示對過去某一事實的假設或推測，根據上下文可以得知凱瑟琳自己可以做，所以對方“本不必做”。

　　10. Mum is coming. What present ____ for your birthday?(2005福建)

　　A. you expect she has got

　　B. you expect has she got

　　C. do you expect she has got

　　D. do you expect has she got

　　【解析】選Cdo you expect 通常被看作插入語，而不寫成Do you expect what she has got，所以后面的賓語從句仍用陳述語序。