() 10. I work in the library. My duties (责任) cleaning desks and tidying books.

   A. provide   B. develop

   C. include   D. begin

() 9. Work hard and I believe you can.

   A. risk   B. offer

   C. compare   D. succeed

() 8. —This is fascinating town I have ever visited.

一Yes. I've never seen a one.

   A. the worst;bigger

   B. the most;better

   C. the better;best

   D. the worse;good

() 7. He is a good teacher he has little experience.

   A. even though   B. so that

   C. because   D. if

() 6. It's much to have a small lovely room than a big cold one.

   A. good   B. well   C. better   D. best

() 5. —Is Tina than Tara?

— Yes,but Tara is in her class.

   A. taller;the heaviest

   B. tall;heavy

   C. taller;heavier

   D. the tallest;the heaviest

() 4. The man always stays cool the face of danger.

   A. for   B. on   C. in   D. at

() 3. We still went camping it rained a lot.

   A. even though   B. because

   C. while   D. so that

() 2. It was cold in the morning,so he put on a sweater and went out.

   A. thin   B. dark

   C. thick   D. light

() 1. It's our duty to the earth because it is our only home.

   A. pollute   B. protect

   C. provide   D. offer