Sojustletusknowyourschedule,andwecangettogethertogosig...

問題詳情：

 So just let us know your schedule, and we can get together to go sightseeing at your ________.

     A. best                         B. service                            C. request                     D. convenience

【回答】

D

知識點：介詞

題型：選擇題