To protect the environment, supermarket don’t _____ free plastic bags to shoppers.

A.take B. show C. provide D. carry

 In order to make our hometown more beautiful, trees _______ around the city every year.

   A. plant             B. are planted          C. will plant

---“Have you ever been to Tokyo?”

---“Yes, I ______ there twice. It’s a modern city.”

　 A. have gone　　　　 B. have been　　　　　 C. had gone

 — Our classroom____________every day.

— So it is. It's our duty to keep it clean and tidy.

A. cleans        B. is cleaning        C. is cleaned

 — Hello, may I speak to Mr. Smith?

— Sorry, he isn't in. He _____________the office.

A. has been to      B. has gone to     C. has been away

 Mary didn’t go to John’s birthday party because she ________.

  A. wasn’t invited         B. didn’t invite          C. isn’t invited

—Shall we go out for a swim?

—Sorry, I can’t. I ______ housework for my mother now.

A. am doing　　　 B. is doing　　　 C. are doing　　　　 D. did

 — Your classroom is really bright and clean.

 —It _____ after school every day.

A. is cleaned     B. cleaned     C. was cleaned

----Did you go to Jim’s birthday party？

----No, I 　　.

A. haven’t invited　 B. didn’t invite　 C. am not invited　 D. wasn’t invited

 It will be two days before the decision_________.

       A. has made          B. will be made        C. was made      D. is made.