27. Sorry, I took your umbrella by m____________.

26. First aid is the science of giving m___________care before a doctor can be found.

25. ---Would you like me to carry it for you?

----No,thanks.I can m___________it myself.

24. It’s good　 m__________to stand up when you accept something from others.

23.I’m sorry to tell you that you’ve made at l___________ 5 mistakes in your exercises.

22.A new law has been passed to l___________ pollution of the air.

21.Mr. Li has gone to the l____________ to borrow some books.

20.Our hometown was l____________ in 1948.

19.The city lies 3,000 meters above sea l__________.

18.Professor Wang from Beijing University will give us a l____________ tomorrow.