bear是什么意思时态填空—过去完成时

2021年1月6日发(作者：连贯)
期末复习1
一.时态填空
1. By the end of last year, the population of this city
__________(reach) 18 million.
2. By 2002, the number of students in this school
_____________(double)
3. By 2050, around 25 percent of the population _______ (be)
over 60.
4. Xiao Fang said she _______ (listen) to a talk about
population problems at three yesterday afternoon.
5. Mary told me they ________ (attend) a lecture on
environmental protection last week.
6. Adam said he ______ (write) an article about pollution, and it
was published in yesterday’s school newspaper
7. A：I didn’t realize that throwing away plastic things would do
harm to our land.
B：_____________.(我也是)
8. The monitor told us that we ______ (hold) a theme class
meeting next Friday.
9. I prefer________ (listen) to music to ________ (watch)TV.
10. Alan told me that he______ (already renew) the books on
environmental protection.
11. The teacher told us that water_______ (boil) at 100 ℃.
12. By the end of last year, he ______ (plant)more than 20 trees.
13. After he _______ (finish)his report, he e-mailed it to his
classmate.