改错:Mrs.Smith often asks their questions.they can answer the questions quickly.
问题描述：
改错:Mrs.Smith often asks their questions.they can answer the questions quickly.
答
Mrs.Smith often asks them questions. They can answer the questions quickly.
答
Mrs.Smith often asks them questions. they can answer the questions quickly.
答
their->them
问"他们"问题
答
Mrs.Smith often ask their questions. they can answer the questions quickly.