Many scholars share the belief that interest is as _____ to learning as the ability to understand, even more so to some degree.

Lucy had few close friends. So she didn’t know ________ about the trouble.

Good morning. I’ve got an appointment with Mr Smithin his office. —Morning.You ________ be Mr Jones. This way, please.

You’d better ____________ late next time.

My brother saw a wallet _______ on the road and turned it to the policeman.