1. This sign means cars and buses mustn’t turn right here.(对划线部分提问)

___________ __________ this sign mean?

15. Water usually freezes when the temperature is ________ zero and ice changes into water again when the temperature is ________ zero.

　 A. under; over B. below; above

　 C. above; below D. below; over

14. It was dark in the room, and he took my umbrella away _______ mistake.

　 A. for B. by B. on D. with

13. His sister sings well. She has a ________ voice.

　 A. please B. pleasure C. pleasant D. pleased

12. Tina prefers bananas to oranges. She likes the sweet ________.

　 A. taste B. touch C. happiness D. feelings

11. ---What do you think of potato chips?

　 ---They’re delicious, but not _______.

　 A. enough sour B. sour enough C. enough thin D. thin enough

10. During this summer vacation, I’m going to visit my aunt and live with her for ________.

　 A. sometimes B. some times C. some time D. sometime

9. If you want some more salt, just ________ some _______ the dish.

　 A. make; on B. keep; in C. leave; in D. sprinkle; on

8. _______ is believed that Bell invented the first telephone in 1876.

　 A. This B. That C. It D. One

7. ---_______, you can work out the problem easily.

　 --- I see. Thank you.

　 A. On the way B. In this way C. By the way D. In a way