问题描述：
and 连接的并列句 句子时态是否要保持一致 为什么
he is working for a big firm and he has already visited a great number of diferent place in Australia
不是 有种说法吗 AND 连接的并列句 时态保持一致吗
he is working for a big firm and he has already visited a great number of diferent place in Australia
不是 有种说法吗 AND 连接的并列句 时态保持一致吗
问题解答：
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