—Were they in the city in 2015?
一 ．They stayed there for half a year．
A：Yes, they are
B：No, they aren't
C：Yes, they were
D：No, they weren't
小明的书架上放着一些书，书的本数在100～150本之间，其中 15 是故事书， 17 是科技书，书架上最多放着____本书．
广东省通过“果菜专列”往北方运送蔬菜，一年中运量最大的是（ ）
－Does Helen like__________?
－Yes. She likes eating apples, pears and bananas.
