2.The island,to the mainland by a bridge, is easy to go to.
A. joiningB.to join
C.joined
D.having joined
【解析】句意为：这个岛由一座桥和大陆连着，很容易去的。本题考查非谓语动词作定语。island和join之间是被动关系，故需用过去分词。joined to the mainland by a bridge相当于一个定语从句which is joined to the mainland by a bridge。
【答案】C
