--He’s never spoken to a foreigner, ____ he?
--____. He was abroad for two months.
A. is;Yes B. isn’t;No C. has;Yes D. hasn’t;No
结构：
如陈述部分为肯定式，疑问部分用否定式。反之，如陈述部分否定式，疑问部分用肯定式。疑问部分重复陈述句的主语（必须用代词）和be , have或情态动词。如陈述句中没有 be, have或情态动词，则须另加do。
如： She has gone to town, hasn't she? 她进城了，对吗？You like it, don't you? 你喜欢它，不是吗？ 注意事项：The girl ____red helped me find my ____ key.
A. on;lost B. in;missed C. in;lost D. on;missing
Kate ____ the hills when she was young.
A. prefer to climb B. prefers climbing C. preferred to climb D. preferred climb
--Do you know how many students ____ in the classroom? --____.
A. are there;nobody B. are there;none C. there are;nobody D. there are;none
So many kinds of sweets! I really can’t decide ______.
A. what to buy B. which to buy C. to buy what D. to buy which
____ will our world ____ if there is only white and black?
A. What;be B. What;be like C. How;like D. How;be like
