He ___ know the place well because he has lived there for a long time.a.did b.does c.was d.do
问题描述：
He ___ know the place well because he has lived there for a long time.a.did b.does c.was d.do
答
选择A
He 【did】 know the place well because he has lived there for a long time.
他的确很了解这个地方,因为他在这居住很长时间.
在动词前面+do,表示增强语气强调,意为：确实,的确.