Is Jack on duty today—It_____ be him. It’s his turn tomorrow.

Where’s that report? —I brought it to you ________ you were in Mr. Black’s office yesterday.

think the green coat _________ her very well.–That’s right. Why not buy one for your daughter?

Most birds find it safe to sleep in the trees, but ________they have eggs or young chicks, they don’t use a nest.

Wait a moment, I have _______ to tell you.