问题
选择题
John with his parents _________ been in Australia for about two years.
A．have
B．has
C．are
D．is
答案
答案：B
题目分析：句意为：约翰和他的父母到澳大利亚大约有两年了。本句时态应用现在完成时，主语是John，介词短语with his parents表示伴随。根据主谓一致原则可知应选B。
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