Must I study medicine and become a doctor like you, dad—No, you _______, son. You’re free to make your own decision.

It’s ____________ late now, Millie. It’s time to go to bed..—But I still have____________ homework to do.

Please remain _________ until the plane has come to a complete stop.

Everyone went to the zoo last Sunday ______Jim.

(2013·高考天津卷)________ small，the company has about 1,000 buyers in over 30 countries