用冠词a,an或the填空.1、----------ruler is green.2、This is---------book.---------book is Grace's.3、Look at----------cup.It's------------black cup.4、It's----------orange is orange.5、what's that?It's---------English dictionary（词典）.
问题描述：
用冠词a,an或the填空.
1、----------ruler is green.
2、This is---------book.---------book is Grace's.
3、Look at----------cup.It's------------black cup.
4、It's----------orange is orange.
5、what's that?
It's---------English dictionary（词典）.
答
1.The
2.a the
3.the a
4.an
5.an
答
the at the the a the an
答
1、--the--------ruler is green.
2、This is---a------book.----the-----book is Grace's.
3、Look at----the------cup.It's-----a-------black cup.
4、It's--an--------orange is orange.
5、what's that?
It's----an-----English dictionary（词典）.
答
The
a, the
the, a
an
an