in the computer shop the shop assistant gave us introduction about this new kind of computer
A a B an C the D \ 为什么选b
in the computer shop the shop assistant gave us——- introduction about this new kind of computer
人气：175 ℃ 时间：2020-06-16 06:45:52
解答
选B
introduction是可数名词 前面要用冠词
由于是元音字母开头所以用an
意思是给了我们【一个】指示
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