6. A. too B. either C. again D. also

5. A. and B. or C. but D. so

4. A. walk B. swim C. fly D. run

3. A. smell B. play C. catch D. shout

2. A. into B. onto C. away D. after

1. A. fish B. dog C. cat D. friend

10.D. “吃一堑，长一智”，Mr Smith由于这一次的教训--无法与外面联络，他以后在乘坐电梯时，肯定是乘带有电话的。

(6)

　One day John and Bill were fishing. John took his (1)_____ Black with him on the riverbank. When the dog saw a bird, he would run (2)_____ it and try to (3)_____ it. “All the fish are afraid and (4)_____ away,” said Bill. “Be quiet, Black.” John shouted at the dog, (5)_____ Black did not listen to him. “Shall we go now, Bill?” asked John, “Next time I shall not bring him here (6)______.

　“Wait,” said Bill, “A fish is biting my line.” “Be careful!” shouted John. But it was too (7)______. The boy fell into the water. “Help! Help!” Bill shouted. But John couldn't swim, either. (8)_______ Black came out. He jumped into the water and (9)_____ the boy onto the bank and (10)______ his life.

9.C. 三天应该是60多小时。

8.C. 在周二人们上班时才发现电梯没有运转。

7.B. 根据下句可知答案。