A. Its; it's B. Its; its C. It's; its D. It's; it's

A. Thereisapaininmyback. B. Mybackhurtsmealot. C. I've got a pain in my back. D. I've got a backache.

(1) A. hamburger B. orange juice C. hot dog D. dog (2) A. Thursday B. yesterday C. Friday D. Sunday (3) A. violin B. baseball C. football D. basketball (4) A. Helen Keller B. Confucius C. Yang Liwei D. Dad (5) A. bought B. did C. flew D. make

(1) There is a big music fountain (喷泉) in the  part of the square. (2) The man  a smart phone and sold it at a low price. Finally, the police caught him. (3) I don't think the little girl has the to work out such a difficult problem. (4) Susan looks upset because she  by her mother for breaking the glass just now. (5) Mr. Chen plans to cut down these  trees and plant some flowers there.

(1) (2) (3) (4) (5)   (6)  

(1) Mom didn't go fishing because there was lots of to do. (2) It's raining hard. , I still want to go there. (3) Exercising every day is healthy for the . (4) I can't finish the work myself. Let's do it . (5) The  asked me to clean my teeth often.

A. suddenly B. patiently C. hardly D. generally

A. at B. in C. on D. to

A. result B. influence C. duty D. secret