I. Students have to take exams in January.
2. She is able to speak French well.
3. You are allowed to take this book till tomorrow.
4. We have to learn new words every week.
5. I live not far from my work. I am able to go by bus or walk.
6. You are allowed to come in.
7. We are allowed to take this book from the library.
8. She is not able to do this work in time.
9. He has to go to St. Petersburg for a few days.
10. We are able to see electrical devices everywhere