共和国附件

1. Every one ________ to their teacher in the classroom. A. are listening B. is listening C. listen 2. They are singing and __________ together at the party now. A. dance B. danced C. dancing 3. Listen! The birds _________. A. is singing B. are sing C. are singing 4. Look! The kite _________ in the sky. A. fly B. flies C. is flying 5. They _________ riding a horse. A. is B. are C. am 6. Kate ________ playing chess. A. am B. is C. are 7. Are you washing clothes？ A. Yes, you are B. Yes, I am C. No, I am 8. Is he __________ TV？Yes, he is. A. watch B. watching 9. ___________ they taking pictures? Yes, they are. A. Am B. Be C. Are 10. It’s 10 o’clock. Ben ________ TV in the bedroom. A. watch B. is watching C. watches