Maybe we can save a lot of trees if we reuse the________paper.

A. recycling B. recycled C. to recycle D. recycles

（题文）My father________a lot，but now he has given it up．

A. used smoke

B. is used to smoking

C. was used to smoke

D. used to smoke

(2013●淮安市)It's getting dark. Please ________ the light.

A. turn on B. turn off C. turn down D. turn around

Farmers have become________in our hometown in recent years.

A. more and more rich B. richer and richer

C. more rich and more rich D. more rich and richer

Miss Taylor never wastes money on anything too expensive，even though she can________to.She has donated (捐款) much of the money she saved to charities.

A. allow B. remind C. afford D. spend

—Have you ever been to Hong Kong?

—Yes，________.

A. I was B. I do C. I am D. I have

It took my sister three hours ________reading this interesting story.

A. to finish B. finished C. finishing D. finish

—Do you know the boy________is helping the old man?

—Oh，that's my brother.

A. whom B. whose C. who D. where

（题文）---How much is the ticket to Central Park?

---A one-way ticket__________ $40, and you can__________another $20 for a round-trip.

A. costs, pay B. cost; spend C. pay; spend D. spends; pay

（题文）Which sign means “Save Water”？

A. B. C. D.