----Look at____book on the desk.Is it_____useful one ---Yes,it is.In the book there is much advice on how to learn math well.A.a,the B.the,a C.the,an D.a,an
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----Lookat____bookonthedesk.Isit_____usefulone---Yes,itis.Inthebookthereismuchadviceonhowtolearnmath
----Look at____book on the desk.Is it_____useful one ---Yes,it is.In the book there is much advice on how to learn math well.A.a,the B.the,a C.the,an D.a,an
----Look at____book on the desk.Is it_____useful one
---Yes,it is.In the book there is much advice on how to learn math well.
A.a,the B.the,a C.the,an D.a,an
----Look at____book on the desk.Is it_____useful one ---Yes,it is.In the book there is much advice on how to learn math well.A.a,the B.the,a C.the,an D.a,an
B.the,a
因为特指在桌子上的那本书,所以前面用定冠词
因为useful的音标以辅音因素开头,所以用不定冠词a 表示 一本