填空，使用括号中的动词的正确肯定形式。
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任务 1 / 10
A doctor (treat) sick people in a hospital.
任务 2 / 10
Teachers (work) very hard to prepare lessons.
任务 3 / 10
A mechanic (fix) broken 车和摩托车.
任务 4 / 10
Nurses (help) 患者 recover from illnesses.
任务 5 / 10
A pilot (fly) airplanes all over the world.
任务 6 / 10
The head chef (cook) delicious meals in the restaurant.
任务 7 / 10
Builders (build) new houses in our town.
任务 8 / 10
A postman (deliver) 信件和包裹.
任务 9 / 10
Farmers (grow) 蔬菜 and keep 动物.
任务 10 / 10
She (manage) a large international team.