— Why, Jack, you look so tired! — Well, I _____ the house and I must finish the work tomorrow. [ ]

.—Is this your book, Jane —_______. Thank you!

______ Lucy and Lily go home atseven

Evidence has been found through years of study ______ children’s early sleeping problems are likely to continue when they grow up.[ ]

He lost his job last week, but he seems happy．—I think he _____ to put on a brave face