The old man warned us_____ here, it’s dangerous.A. swim B. not to swim C. not swim
--- _____! Where is my cup? ---_____, I don’t know.
--- Is that your backpack? ---_____ . That’s his backpack.
Is ____your aunt? What's ____ name?
---What’s this ____English? --- It’s _____orange.
Look at Nick’s new shirt. ___ yellow.