(6) در متن زیر 4 اشتباه گرامری وجود دارد آنها را بیایید و شکل درست آنها را بنویسید. This is Mr. Nakomara. He's from Japan. There is a lot of cities in his country. There are a big company in Japan,too. Japanese people is busy and serious. My parents is going there next week.