题目内容
【题目】 I don’t know _______.
A. where can we buy the tickets
B. how much it costs to fly to Shanghai
C. who is he waiting for
D. why was he late for school this morning
【答案】B
【解析】
试题分析:句意:我不知道飞到上海的费用是多少。在宾语从句中只能用陈述句语序,所以选B。
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