短文改错,网上搜到的也行

题目

短文改错,网上搜到的也行
Last weekend,my mother and I went to shoe shop to 71.
buy a pair of new shoes for me.When we got there,I noticed 72.
a foreign lady is talking to a salesgirl.But the salesgirl did 73.
not understand that the foreigner was saying.They looked 74.
very worrying.So I decided to help them.I went up to the 75.
foreign lady and talked to her by English.I learned that the 76.
lady came from Australia and wanted buy a pair of running 77.
shoes.I told this to the salesgirl.The lady was very much glad 78.
when she took her shoes.All of them expressed their thanks 79.
to me.And I felt happily that I could help others.

答案

71. a shoe shop
72.
73. is----was
74. that---what
75. worrying---worried
76. by---in
77. wanted+to
78. much去掉
79. all---both