Questions 13 to 15 are based on the conversation you have just heard.

Questions 13 to 15 are based on the passage you have just heard.

Now that you’re 13 you should have more sense of ______.

写出如下表格1-16的时态的被动语态形式： 表一 一般 进行 完成 完成进行 现在 1.V/V-s 5.is/am/are V-ing 9.have/has+过分 13.have/has been V-ing 过去 2. V-ed 6.was/were V-ing 10.had+过分 14.had been V-ing 将来 3. will+V 7.will be doing 11.will have +过分 15.will have been V-ing 过去将来 4.would+V 8.would be V-ing 12.would have +过分 16.would have been V-ing

The 13 National Winter Games have been postponed due to the global COVID-19 pandemic . （ ）

(13 Down) What must this experiment have the potential to do, to be a ______ (有效的) scientific experiment?

63.Upon examining the container, we found that cases 13 and 14 have 16 and 14 units only. There are ten units short.

All children in the UK should have at least ______ years of compulsory full-time education. A: 7 B: 9 C: 11 D: 13

The number of adult smokers may be ________, but smokers between the ages of 13 and 23 have actually increased by 10 percent over the last 10 years.

If the elevator cannot ____ a load of more than 13 people we will have to install a second one. A: offer B: make C: bring D: support