一、单项选择（共15小题；每小题l分，计15分）
在下列各题A、B、C、D四个选项中选择一个能填入题干空白处的最佳答案。
1. –How was _______dinner at Mike’s house?
--It was great. Mike’s mum is ________wonderful cook.
A.a,the B.the,a C.the,the D.a,an
2. —Which of the caps will you take?
--I’ll take _______,one for my father ,the other for my brother.
A.neither B.both C.all D. each
3. —What’s the low-carbon life style like?
--Save_______ energy, produce ________ carbon.
A.more ;more B.less; more C.less; less D.more; less
