Firstaidisatemporaryformofhelp

問題詳情：

First aid is a temporary form of help____ to someone who suddenly falls ill or gets_____ before a doctor can be found.

A. giving；injured      B. given；injuring          C. given；injured      D. giving；injuring

【回答】

C

知識點：非謂語動詞

題型：選擇題