I、 Choose the best answer. (共26分)
1. I can hardly _______ the difference ______ you and your brother.
A. know , among B . say , between C. tell , between D. tell, from
2 . You can see all kinds of beautiful lights __________ the bank of the river.
A. on B. at . C. in D. along
3. We have got a computer room. We’ll build _____ one next year.
A. the second B. a second C. two D. the two