21.Some people believe that black cats and the number 13 are ___________. A: unfair B: unnatural C: unlucky D: unhappy

Questions 19 to 21 are based on the passage you have just heard. What are some people worried about according to the speaker？

21 Questions 19 to 21 are based on the passage you have just heard. A: Inform your guests of the date and the time beforehand. B: List the ingredients and drinks for the party and buy them. C: Practice cooking according to menu. D: Prepare some proper music for the party.

中国大学MOOC: 如果有以下程序片段public class Some{ private Some some; private Some(){} public static Some create(){ if(some==null) some = new Some(); return some; }}以下描述正确的是

There _________ some meat, some bread and some apples on the table.

50428Question: A: Some stores. B: Some oil. C: Some food. D: Some water.

【多选题】21题 A. 21题A B. 21题B C. 21题C D. 21题D

The man wants ______. A: some coffee B: some tea C: some soft drink D: some water

Wedon’thave______oranges,butwehave______orangejuice. A: some;some B: any;any C: some;any D: any;some

Idon’thave____moneyinmybag,butIhave____moneyinthebank. A: any;any B: some;any C: any;some D: some;some