下面短文中有10处语法错误。请在有错误的地方增加、删除或修改某个单词。
增加：在缺词处加一个漏字符号（∧）并在其下面写上该加的词。
删除：把多余的词用斜线（）划掉。
修改：在错的词下划一横线，并在该词下面写上修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者（从11处起）不计分。
OnerainydaywhileIwaswalkinghomewithoneofmyfriendatrunkcame
friends
toastopbesidesus.Thedriverputthewindowdownandofferedusaunbrella
beside an
becausehefoundwewerewetthrough.Istoodthereandcouldn’tbelievein
in
thatacompletestrangerissothoughtful.ThemaninsistedsoIgrateful
was gratefully
acceptedtheofferthankedhimandwatchedthetruckdisappeardowntheroad.
Thismanmightneedtheumbrellahimselfandhepreferredtogiveitto
but
everyoneelse.Itwasalessontousthatitwaspossible∧givewithoutexpect
someone/somebody to expecting
anythinginreturn.
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