[問題]考古題2005年08 月 題號4 (structure) (已收錄)

[kenkuo]

A
4. Great pain and swelling characterize both sprains and fractures, but------- he affected part and unnatural ting often indicate a bone break. inability lo move
(A) inability to move(B) they were unable to move
(C) unable to move (D) when inability to move

[portia]

-------the affected part and unnatural ting often indicate xxxxxxx.

-------the affected part是個主詞 要有名詞詞性
所以選a inability to move the affected part
其他選項都不能當主詞