答案：　to

　　6．What ________wonderful，limitless world it was and________tiny a spot I was in this enormous world.

　　答案：　a；how

　　7．________Old Tom and the other killers were fierce hunters，they never harmed ________attacked people.

　　答案：　Although/Though；or

　　8．________the meantime，I shall go for a few days to Oxford perhaps.

　　答案：　In

　　Ⅳ.完形填空

　　I bought a small boat when my family spent one summer vacation enjoying the beaches of beautiful Gulfshores.Both of my daughters__1__all day in the boat.But the little one got tired and was beginning to look pretty__2__with too much sun.__3__，I took her to our spot on the sand as my elder girl continued to play in the boat.

　　I probably became a little too__4__with my younger daughter，not noticing the boat with my elder daughter in it was moving far out from the__5__.I called to her to come closer to the shore and she__6__ to be frightened.Unfortunately，the thing we hadn't thought to__7__for the boat were any oars.Her little arms were too__8__to reach across the boat and into the water.All she could do was to paddle (划)__9__to one side and the boat was just making small__10__.

　　I stood as far out in the water as I could-shouting__11__to her.There was a boat of teenagers not far from her.When they__12__what was happening，they started to head her way immediately.

　　I'm not a good__13__but I determined to get myself out there.The first attempt of my arms seemed to be slow，and I couldn't__14__I was doing this.I continued swimming__15__I no longer knew or could feel that I had legs，but I always kept my__16__on her.Helped by the teenagers，I finally made my way back pulling her and__17__her.

We came back to the shore and my life was changed forever by the__18__.I learned that maybe we think we are not__19__enough sometimes，but if