Itiswidelyacceptedthatmanyoftheirproblemsarecausedatlea...

問題詳情：

It is widely accepted that many of their problems are caused at least_______by failure to communicate.

A. in advance　　　　 B. in vain　　　　 C. in part　　　　 D. in public

【回答】

C

知識點：詞組 短語

題型：選擇題