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

I’m glad to see that the government has_______ the open space _____a public library. —Me, too. We can do some reading there.

Have you been angry your best friend? [ ]

Do you hear there was _______ fire in the shopping mall last night?－ Yes. I never thought _______ fire can be so terrible.

Under______ reform program announced on Nov 15, the government has decided to give____ green light to couples wanting to have two children if one of the two parents is an only child.