暑假作业P7页英语谜语1.I have forests with no trees.I have cities with

暑假作业P7页英语谜语
1.I have forests with no trees.
I have cities with no houses.
I have rivers with no water.
What am
2.Two little boats without any sails.
With passengers on board.
They don't go on the river or sea.
But travel on dry land.
In the day the boats pass to and from.
But at night they are both empty.
What are they?希望各位英语达人能破解此谜语,