He gave my sister ---- useful book yesterday.A.an B.a C.X

问题描述:

He gave my sister ____ useful book yesterday.A.an B.a C.X
1个回答 分类:英语 2014-12-01

问题解答:

我来补答
答案:B
useful的读音是:['ju:sful],开头的音是辅音音素,冠词用a.
 
 
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