Question

【题目】You can call Mike ____ 84537949.

A. in B. at C. on D. of

Answer 1

【答案】B

【解析】解析：句意：你可以给迈克打电话，电话是84537949。“call sb. at +电话号码”是固定搭配，意为“拨打……(号码)找某人”，at为介词。故选B。