Thepressure        causesyoungpeopletobeenergetic,buti...

問題詳情：

 The pressure         causes young people to be energetic, but it also puts them under constant stress．

 A． to compete     B． competing    C． to be competed   D． having competed

【回答】

A

知識點：非謂語動詞

題型：選擇題