---Does_______ have a dog?---Yes, I have a dog. She's nice to_______.
---The sick kids look unhappy. What shall we do?--- Let's do something to ___________.
— Could you tell me _____ yesterday?—The Great Wall.
—Our school _____ in 1892. —It has a very long history.
—You look worried. What’s the matter? —I _____ the exam yesterday.
—Look! There _____ some tomatoes in the basket. —Oh. How fresh!