Help me please with English

1. Pupils must come to school in time.
2. The child can talk now, but two years ago he could speak only a few words.
3. Could you tell me the way to the post office, please?
4. I had to study hard yesterday as I had a difficult exam.
5. People must not cross the street when the light is red.
6. I can’t come now but I think, I will be able to come in an hour.
7. I had to go to work though I didn’t want to.
8. You should go to the dentist if you have any problem with your teeth.
9. Take your umbrella with you. It may rain.
10. Can/could I have another cup of tea?

Jacques-Yves Cousteau was born in the small town of Saint-André- de - Kyubzak the family lawyer Daniel and Elizabeth Cousteau. Daniel is a native of Belarus Cousteau his real name was Jacques-Yves . Daniel Cousteau, he was a lawyer , and the family traveled a lot . He became interested in water at an early age . At age 7, he began to suffer chronic enteritis . Due to illness Cousteau became very skinny. During the First World War, Daniel Cousteau became unemployed , but after the war he again found work in the company. He had to travel a lot. Most of the year he lived in a boarding school . Cousteau soon learned to swim and a lifetime love the sea.In 1920, Jacques-Yves began to attend school in the U.S. and learned fluent in English . There, during a family vacation in Vermont , made ​​his first dive. In 1922, Cousteau family returned to France . In the U.S., Jacques-Yves interested in mechanics and design. In France, he built a car with a battery . This passion has helped him in his work in the future. On savings and money earned Cousteau bought his first movie camera .Although Jacques-Yves interest in many things , he was not given study . After some time, the parents decided to send him to a special boarding school, where he graduated with honors.