A.fall down | B.falling down | C.falls down |
A.beautiful; small | B.beautiful; big | C.tall; big |
A.on | B.to | C.about |
A.Yes, that is. | B.No, it is. | C.Yes, it is. |
A.a | B.the | C.an |
A. It's a book about cities. B. He is ten. C. Yes, it is. D. Yes, I can. E. It's Li Ming's. |