安徽省2015
高考英语人教版课时作业附解析:必修2 unit 4 课时作业(九) 必修2 unit 4 wildlife protection ⅰ.单项填空 1.(2014•陕西五校二模)his explanation that he is at________loss what to do next doesn’t hold________water. a.a;/ b.a;the c.the;/ d./;/ 2.(2014•银川一中质检)little johnny felt the bag,curious to know what it________. a.collected