when first----to the maket,these products enjoyed great success
题目
when first----to the maket,these products enjoyed great success
填什么
A introducing B introduced C intorduce D being introduced
答案
luanched =推出、推介
或 introduced = 介绍
或 promoted = 促销
B introduced 是正确的
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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