1.(2011全国卷,27) The next thing he saw was smoke        from behind the house.
A.rose            B.rising         C. to rise     D.risen
2.(2011全国卷II,15) The island,        to the mainland by a bridge, is easy to go to.
     A. joining         B. to join          C. joined          D. having joined
3.(2011全国卷II,18) Sarah pretended to be cheerful,______ nothing about the argument.
 A. says             B. said             C. to say         D. saying