题目内容
【题目】Shopping on TV has made ____ possible for people to buy things without leaving their homes.
A. one B. it
C. that D. this
【答案】B
【解析】
试题分析：it作形式宾语，代指to buy things without leaving their homes.
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题目内容
【题目】Shopping on TV has made ____ possible for people to buy things without leaving their homes.
A. one B. it
C. that D. this
【答案】B
【解析】
试题分析：it作形式宾语，代指to buy things without leaving their homes.