1. As we know, the Huanghe River is one of        rivers in our country.

     A. long                                B. longer

     C. longest                              D. the longest

2.—I'll go on a picnic with my classmates tomorrow.

  —       

     A. You make it                         B. That's all right

     C. Have a good time                     D. It doesn't matter

3. Each of the foreigners holds a fork in one hand and a knife in       

     A. others           B. the others         C. the other         D. another