共有的, 则两个名词后都加's。
(6)双重所有格由"of+名词所有格"构成, 表示部分或带有感情色彩。
5. (2014·湖北武穴思源实验期中)-Where are your parents?
- .
A. It is in the bedroom B. They are in the bedroom
C. He's in the bedroom D. No, I don't know
【解析】选B。考查句式结构。由于问句中your parents为复数, 需用人称代词they回答, 而no不能用于回答特殊疑问句。故选B。
6. - ?
-Yes, it is.
A. Is my baseball under the bed
B. Where's my chair
C. Is he your uncle
D. Is she your sister
【解析】选A。考查语境理解。句意: --我的棒球在床底下吗? --是的。B选项不符合句意, C和D选项中人称代词的运用不对。
7. There is a map the wall.
A. on B. in C. under D. of
【解析】选A。考查介词辨析。根据句意"在墙上有一张地图"可以判断用介词on。
8. -Is this model plane?
-Yes, it's .
A. your; mine B. your; my
C. yours; mine D. yours; my
【解析】选A。考查代词辨析。形容词性物主代词后面跟名词, 而名词性物主代词后面不跟名词, 据此判断用your和mine。
9. (2014·山西农业大学附中期末)-Are these your English books?
-Yes, .
A. they're B. they are C. these are
【解析】选B。考查一般疑问句的回答。根据问句中books可以判断用they回答, 而they are在简略答语中不能省略。