(Advertising) gives useful information about (which) (products) to (buying).A、Ad

游客2025-03-17  0

问题 (Advertising) gives useful information about (which) (products) to (buying).

选项 A、Advertising
B、which
C、products
D、buying

答案 D

解析 应改为to buy, which to buy是疑问代词+动词不定式的结构。
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