这句话有问题不?帮俺找一下A mother and her young sons got into a bus and sat down.

题目

这句话有问题不?帮俺找一下A mother and her young sons got into a bus and sat down.
A mother and her young sons got into a bus and sat down.The bus counductor came to their for her tickets.The mother said,"I want one ticket to London."and give her two pounds.这一段有两个错误，请找出来！

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