I'mgladtointroduceMrSmithtoyou，withoutwhosetimelyhelpou...

問題詳情：

I'm glad to introduce Mr Smith to you，without whose timely help our project would have________in failure.

A．ended up          B．made up 

C．put up            D．set up

【回答】

A

知識點：動詞

題型：選擇題