【推荐1】It took the workers another 3 days_________（complete）the task, because there was still much work to do when the expert left. (所给词的适当形式填空)

【推荐2】________(complete) the report in time, Ann spent three days in the school library. （所给词的适当形式填空）

【推荐3】I attempt________ (complete) the mission before the deadline . （所给词的适当形式填空）

【推荐1】His piano________(perform) impressed people present. (所给词的适当形式填空)

【推荐2】Why are shameless and shameful ________(behave) the same?

【推荐3】Directions：Fill in the blanks with the proper forms of the given words.
1. As is believed by many people, law is the____________(reflect)of economic conditions
2. The____________(similar)between the two reports suggests that one person wrote both
3. It was no secret that American____________(consume)had a low opinion of American cars.
4. Scientists have studied the____________(migrate)of fish over long distances in the river.
5. His temper has been____________(change)this week, so don’t annoy him.
6. “Since there are no cars, you____________(breathable)in fresh, clean air the entire way,” she said.
7. By the end of the next decade____________(industry)robots will be in widespread use.
8. British colonialism(殖民主义)led to the____________( establish)of a large empire.
9. The giant panda is one of the____________(survive)of ancient animals.
10. A time bomb____________(explosion)twenty minutes after the plane took off.

【推荐1】Their marriage was___________(base) on love and respect. （所给单词适当形式填空）

【推荐2】According to a survey conducted last year, students’ attention_____________(distract)by computer games. (所给词的适当形式填空)

【推荐3】The committee _____(establish) in 1919, when the whole country was at war. (用所给词的适当形式填空)

【推荐1】Starting in the Yuan Dynasty, work on the terraces took hundreds of years, _________ its completion in the early Qing Dynasty. （用适当的词填空）

【推荐2】Repair work is scheduled for ________(complete) in April.(所给词的适当形式填空)

【推荐3】Starting in the Yuan Dynasty, work on the terraces took hundreds of years, until its ________ (complete) in the early Qing Dynasty. (所给词的适当形式填空)