This book cost her twenty yuan , ?
A. didn’t it B. doesn’t it C. did itD. does it
Help others whenever you can you’ll make the world a nicer place to live.
A. andB. but C. or D. unless
—I know nothing about the history of the telephone. Could you tell me ?
— Yes, in 1876
A. who invented the telephone
B. how the telephone was invented
C. when was the telephone invented
D. when the telephone was invented
The sick in our country taken good care of by the government.
A. isB. are C. hasD. have
—Would you like camping with me?
— I’d like to. But I’m busy my homework.
A. to go; to do B. to go; doingC. going; to doD. going; going
—Who her father?
—He must by that policeman.
A. saved; be saved B. saved; save
C. is saved; be savedD. save; be save