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(tài)動(dòng)詞 + 完成時(shí)態(tài)”用來(lái)表示對(duì)過(guò)去某一事實(shí)的假設(shè)或推測(cè)，根據(jù)上下文可以得知?jiǎng)P瑟琳自己可以做，所以對(duì)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(yǔ)，而不寫成Do you expect what she has got，所以后面的賓語(yǔ)從句仍用陳述語(yǔ)序。