问题
填空题
用冠词a、an、the或/（表示不需要）填空。
1. This is________ eraser.________ eraser is green.
2. That is________ book.________ book is red.
3. This________ pen is good. It's her pen.
4. —Is it________ ID card?
—Yes, t is.
5. —Is that________ orange?
—Yes, it is________ green orange.
答案
1.an; The 2.a; The 3./;/ 4.an 5.an; a