猜猜下面的英语谜语.
问题描述：
猜猜下面的英语谜语.
1.What lind of dog doesn't bite or bark?
2.What a room has no walls,no doors,no window,and no floors?
3.What has hands but no feet,a face but no eyes,tellsbut not talk?
4.What is black when it is clean and white when it is dirty?
答
1)hot dog热狗
2)mushroom蘑菇
3)alarm clock闹钟
4)blackboard黑板