1.The students must wear scool clothes at school.
2. People often see her under the tree.
3.People brought tea to weastern world.
4.Someone turned off the light.
5.The teacher will sak me a question next class.
6.We use a pen to write.
7.They invented this tool in 1908.
8.The formers have planted for more than 100 years.
9.They caught the bad man just now.
10.They have mended many desks and chairs.
11.The workers are building a bridge now.
重要的是准确率。
麻烦答题者认真答题。
谢谢合作。