Question

短文改錯。
     下面短文中有10處語言錯誤。請在有錯誤的地方增加、刪除或修改某個單詞。
增加：在缺詞處加一個漏字符號（∧），并在其下面寫上該加的詞。
刪除：把多余的詞用斜線（\）劃掉。
修改：在錯的詞下劃一橫線，并在該詞下面寫上修改后的詞。
注意：1. 每處錯誤及其修改均僅限一詞；
          2. 只允許修改10處，多者（從第11處起）不計分。

     One rainy day while I was walking home with one of my friend, a truck came to a stop besides us. The
driver put the window down and offered us a umbrella because he found we were wet through. I stood there
and couldn't believe in that a complete stranger is so thoughtful. The man insisted, so I grateful accepted the
offer, thanked him and watched the truck disappear down the road. This man might need the umbrella himself,
and he preferred to give it to everyone else. It was a lesson to us that it was possible give without expect
anything in return.
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Answer 1

     One rainy day while I was walking home with one of my friend, a truck came to a stop besides us. The 
                                                                                    1. friends                               2. beside
driver put the window down and offered us a umbrella because he found we were wet through. I stood there
                                                             3. an
and couldn't believe in that a complete stranger is so thoughtful. The man insisted, so I grateful accepted the
                                    4. 去掉complete     5. was                                               6. gratefully
offer, thanked him and watched the truck disappear down the road. This man might need the umbrella himself,
and he preferred to give it to everyone else. It was a lesson to us that it was possible∧give without expect
7. but                       8. someone/somebody                                                       9. to            10. expecting
anything in return.