短文改错

It was raining. In his way home from school            76. ______

Peter saw an old man walking with difficult in the         77. ______

rain without a umbrella. Peter went up to him             78. ______

and offered share the umbrella with him. The old          79. ______

man in poor health, so Peter tried to hold                 80. ______

the umbrella. But he was too short to hold it high          81.______

enough. While wondered what to do, he saw the           82 . ______

old man's stick and had an idea. He had tied the stick       83 . ______

to the handle of the umbrella and made them longer.        84. ______

Now we shared the umbrella. Peter was happy.            85 . ______

答案：

76. In--On    77. difficult--difficulty  78. a—an  79. offered后加to　80. man后加was

81.正确  82. wondered--wondering    83.去掉had    84. them—it  85. we—they