. An: “Let’s play volleyball today!”

      Mai: “_____”

A. That’s a great idea                       B. Go and see them now!

C. No, it is tomorrow.                       D. No, let’s not.

15.  Mary enjoys ______the piano .

A. play              B. plays              C. to play            D. playing

16. The Japanese eat a lot of fish and healthy food, _____ they live longer.

A. or                     B. because            C. so                     D. but

17. - ______ do you find making pottery? – I find making pottery interesting.

 A. When              B. How                 C. Why                 D. What     

They often ______hard on the farm.

A. work B. to work C. works D. working