问题描述：
Change the sentences from the simple present to the simole past.【急】
1.Julie is in school.
2.Michael goes home after school.
3.Natalie and Fyodor are teachers.
4.My sister is a university student.
5.He walks to work.
6.The dog runs in the park.
7.I watch TV after dinner.
8.She is very beautiful.
9.Young-Soo smokes.
10.My teacher speaks slowly.
1.Julie is in school.
2.Michael goes home after school.
3.Natalie and Fyodor are teachers.
4.My sister is a university student.
5.He walks to work.
6.The dog runs in the park.
7.I watch TV after dinner.
8.She is very beautiful.
9.Young-Soo smokes.
10.My teacher speaks slowly.
问题解答：
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