—Could you tell me ________?
—He is going to Beijing with his friend tomorrow evening.
A . what Mr. Li is looking for B . who Mr. Li is talking with
C . when Mr. Li is going back D . where Mr. Li is going
D
【解析】
【详解】
句意: —— 你能告诉我李先生要去哪里吗? —— 明天晚上他将和他的朋友去北京。
考查宾语从句。 what Mr. Li is looking for 李先生在找什么; who Mr. Li is talking with 李先生在和谁谈话; when Mr. Li is going back 李先生什么时候回来; where Mr. Li is going 李先生要去哪里。根据 “He is going to Beijing with his friend tomorrow evening.” 可知,此处是询问李先生要去哪里,用连接词 where 。故选 D 。