IusedtofeelverynervouswhenIstoodupinfrontofothers,butno...

問題詳情：

I used to feel very nervous when I stood up in front of others, but now I feel quite ______when giving a speech to the school．

    A． at random             B． at length        C． at ease           D． at sight

【回答】

C

知識點：介詞

題型：選擇題