Question

—May I have a look at _______ book tonight? —Of course, you can. I have ________ old one at home

1,—May I have a look at _______ book tonight? —Of course, you can. I have ________ old one at home.
A. the; a B. a; the C. the; an D. the; the

2,—Will you please bring me some orange, Lucy? — _______
A, That's good B. All right C. No matter D. It doesn't matter

3,The scientists from ______United States live in_____ Ninth Street
A. the； the B. /, the C. /；/ D. the；/
麻烦再解释下，谢谢

Answer 1

1.C(句中特指那本书，故用the;后面old one是首次出现,故用a\an,因为old以元音开头,用an)
2.B（问句是祈使句，回答应用“好的”，A是“那很好”，B是“好的”，C是“没事”，D是“那没问题”）
3.D（the United States是美国，前面必须加the；后面的九号大街是专有名词，街道前不加冠词）

Answer 2

1.A. the; a 2.B. All right 好的 3. A. the； the
The 特指 a 代指

Answer 3

1/C
2/B
3/A