Question

【题目】There are still two postcards on the desk. Lily doesn't know ________ she will write to.

A. what B. whom C. when D. where

Answer 1

【答案】B

【解析】

句意：书桌上还有两张明信片。莉莉不知道她要写信给谁。考查宾语从句引导词。what问事物，whom问人（宾格），when问时间，where问地点。write to sb.给某人写信；根据句意语境，可知空白处指人，做write的宾语，故选B。