know

你认识吴先生吗？不，我不认识。他是谁？

Do you ___know Mr Wu? No, I don't. Who is he?

你知道明天的会议几点开始吗？

Do you ___know what time tomorrow's meeting starts?

她知道去火车站的路。

She ___knows the way to the train station.

我从小就认识他，我们是邻居。

I've ___known him since childhood, we were neighbors.

你知道怎么使用这个新软件吗？

Do you ___know how to use this new software?