2015年6月大学英语四级备考：选词填空技巧四
2015-01-08 阅读 : 次
答题技巧四：
利用不定冠词(a/an)判断考点是否为元音开头，缩小选择范围
Sample: Husband and children now do some of these jobs, a ____ that has changed the target market for many products.
(scale, potential, gap, extreme, purchase, situation)
大学英语四六级考试 CET46
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