You look so tired. You _________ have stayed up again.
— John seems happy, even though his wife left him and he lost his job. — I think he __________ to put on a brave face.
When you rewrite the paragraph, I advise you to leave out __________ is thought unnecessary or misleading.
— Can you hand in your composition tomorrow? — Sure. ________it handed in on time, I’ll stay up tonight.
Living in _______ ever increasingly fast-paced world, we are facing greater competition, so we must take _______ advantage of every opportunity to develop.
---Michael was late for Mr. Smith’s oral class this morning.---_____? As far as I know, he never came late to class.