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单项选择 较易0.85 引用1 组卷30
The teacher wants his students to conduct ________ survey for the food.
A.aB.anC.theD./
21-22七年级下·上海·单元测试
知识点:a/an的区别不定冠词表泛指 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!