1．Oil is one of our most important natural r______________________.

2．She prefers pop music and jazz to c___________________ music.

3．The wounded soldier was u________________ from his loss of blood.

4．A___________ nations threaten the world peace.

5．You should check the cab has a business permit, and make sure you ask for a r__________.

6．He needed __________________（外科手术） after the accident．

7．His only ________________（消遣） are playing chess and working in the garden.

8．The people all __________ （鞠躬）down before the Emperor.

9．Could you sign the hotel ______________（登记） please, sir?

10．Let’s ________（干杯） the friendship between two countries.