摘要： --This is useful book. I think. --So it is, and it’s unusual one. A. an, 不填 B. an, an C. a, an D. a, a
网址：http://m.1010jiajiao.com/timu_id_2336027[举报]
--This is _______ useful book, I think.
--So it is, and it's ________ unusual one.
- A.an; /
- B.an; an
- C.a; an
- D.a; a
— This is _____ useful book. I think.
— So it is, and it's _____ unusual one.
— So it is, and it's _____ unusual one.
[ ]
A. an, 不填
B. an, an
C. a, an
D. a, a
查看习题详情和答案>>
B. an, an
C. a, an
D. a, a
--This is _______ useful book, I think.
--So it is, and it's ________ unusual one.
[
]|
A ．an; / |
B ．an; an |
C ．a; an |
D ．a; a |