题目内容：

A mouse, because of an 1.(luck) chance, made close friends with an evil frog. One day, 2.frog played a trick on the mouse by 3.(tie) a foot of the mouse to his own. At first, both of them joined together and the frog4. (lead) his friend toward the pool in which he lived, and didn’t stop5.he reached the side of the water. Then the frog suddenly jumped into the water and the mouse was pulled in with6.(he). The frog enjoyed the water and swam in it around, happily crying7.if he had done a great deed. The unhappy mouse died soon in the water, and his dead body floated around on the surface,8.(fasten) to the foot of the frog. A hawk saw the dead mouse, suddenly flew down towards it, caught it and flew away. The frog, still tied to the leg of the mouse, was also carried off as a9.(prison), and it10.(eat) by the hawk. Harm hatch, harm catch.