The students on the professor’s lecture now and then.

You can ________ the word in the dictionary if you don’t know it.

stable China-Japan relationship is in _____ interests of two countries, Asia and the world, participants in the Beijing-Tokyo Forum agreed on Sunday.

The old lady could give the child sympathy, ________ any practical help would be beyond her

He be in the classroom， I think.—No， he be in the classroom. I saw him go home a minute ago.