Onemorninghefoundabag.Therewas“s”onthecornerofbag.A.a,aB.a,theC.an,aD.an,the

Question

One morning he found a bag.There was ________ “s” on the corner of ________ bag.
A.a,a
B.a,the
C.an,a
D.an,the

Answer 1

答案D
不定冠词an用在元音的前面,a用在辅音的前面,“s”是以元音开头的(在使用时a或者an时我们应该看音标,而不是字母)；定冠词the用在独一无二的事物或上文出现过的名词前面.