It isfor all drivers not to drive after drinking, otherwise, they would be put into jail.

Now methods need to beto use the existing water resources, for example, turning sea water into fresh water.

Here is __________ “u” and ________ “l” in the word “ruler”.

－Is the math problem ______－Yes， I can work it out ______.

What happened hereyesterday—–An adventurer was walking at the footof the mountain ______ suddenly a stone fell and hit him on the head.