1._ dictionary is _ important school thingA.the;a B.a;an C.the;an D.a;a

问题描述:

1._ dictionary is _ important school thingA.the;a B.a;an C.the;an D.a;a
理由!

B 第一个空a表示泛指(the 是表特指的) important 元音开头用 an