hoping to get something useful. But ____5_____my astonishment, I sound that two men, one of ____6_____ held a gun, were just going to kill a man ____7_____ the floor, _____8____up with rope. I decided to save the man, so I _____9____Jim to help me paddle away the men's boat tied to the steamboat. When we were a safe distance away, I began to ____10__ doing that.

6. Complete the following sentences.

1) We stayed inside the shelter we had built and let the raft _____________(顺流航行) the river.

2) Suddenly, _______________(借助闪电的光亮),we saw something in the middle of the river.

3) There were two men _______________(站在他面前) him.

4) The short man suggests _________________(留在) the man on the floor.

5) We found the man's boat ___________________(绑在)other side of the steamboat.

6) I have ______________________（受够了) you. I'm going to shoot you new,"...

7) _______________(使我们大吃一惊的是), there was a light in one of the cabins.

8) So we _____________(划过去) and climbed on to the steamboat, ____________________(象耗子一样悄无声息地).

9) It was quite dark, but I could see a man ______________(躺在地板上), _________________(被绳子绑着).

答案：

2. CDBB

3. 1) poured down 2) a house 3)realized 4) sailing 5) board

6) sinking 7) paddled over 8) lying 9) over 10) of 11) threatened

12) go down 13) frightened 14) crying 15) persuaded

16) climbed 17) shouting 18) distance 19) to die 20) what

4. 1) sailed改成sail

　2)frightening 改成frightened

　3) stand改成 standing

　4)for改成 of

　5)tying 改成tied

　6)save 改成to save

　7) shout 改成shouting

　8)keep改成 keeping

　9) lie改成 lying

5.1) On 2) in 3) out 4) to 5) to

6) whom 7) lying 8) tied 9) persuaded 10) regret