13.(改编自2018天津6)Jane can't attend the meeting at 3 o'clock this afternoon because she 　　　　　　　　　　(teach)a class at that time.

答案:will be teaching

14.(改编自2018天津9)Despite the previous rounds of talks,no agreement 　　　　　　　　　(reach)so far by the two sides.

答案:has been reached

15.(改编自2018四川4)More expressways 　　　　　　　　　　　(build)in Sichuan soon to promote the local economy.

答案:will be built

16.(改编自2018陕西22)Marty 　　　　　　　　　　(work)really hard on his book and he thinks he'll have finished it by Friday.

答案:has been working

17.(改编自2018湖南22)As you go through this book,you 　　　　　　　　　(find)that each of the millions of people who lived through World War Ⅱ had a different experience.

答案:will find

18.(改编自2018湖南28)He must have sensed that I 　　　　　　　　　　(look)at him.He suddenly glanced at me and said quietly,"Why are you staring at me like that?"

答案:was looking

19.(改编自2018湖南32)I had a strong desire to reach in and play with the toy,but　　　　　　　 (hold)back thankfully by the shop window.

答案:was held

20.(改编自2018福建30)-Where is Peter?I can't find him anywhere.

-He went to the library after breakfast and 　　　　　　　　　　　　　(write)his essay there ever since.

答案:has been writing

21.(改编自2018福建26)To my delight,I 　　　　　　　　 (choose)from hundreds of applicants to attend the opening ceremony.