五年级英语脑筋急转弯 会的请进~！急！！！

五年级英语脑筋急转弯 会的请进~！急！！！
请注意：是脑筋急转弯哟！
1、"A black sheep” is
A.一群黑羊 B、一匹黑马 C、看羊狗 D、害群之马
2、“A bed of roses" is
A、安乐窝 B、花床 C、花圃 D、休息室
3、"Walls have ears" is
A、隔墙有耳 B、墙上有耳 C、震耳欲聋 D、耳上有洞
4、Take three letters from SWEATER to make a liquid(液体）?What is it?
5、Tom,Steve and Emily each have a pet.One has a cat,another has a dog,and the third has a bird.The cat isn't Steve's.Tom does not own a cat.The person who has a bird is not Steve.Who owns the bird?
6、What letter is like twelve o'clock?
7、If 5 cats catch 5 mice in 5 minutes,how many cats do you need to catch 100 mice in 100 minutes?