Вставить глагол в соответствующей временной форме: 1 I …. (work) on my computer for two hours before it ….. ( break) down.
2 By the time my mum arrived at the train station, the train … (leave) already.
3 this time last summer Mary …. (fly) to the Bahamas.
4 I was really happy because I …. (pass) all my exams.
5 my father …(save) money for many years before he bought his own house.

1. The person who sings is a singer. 2. The person who plays in films is an actor 3.The person who helps people when they are ill is a doctor. 4. Buckingham Palaceis the London home of the queen. 5. The capital of the United Kingdom is London 6. At science lessons pupils do experiments and learn about nature. 7. Do you speak English? 8.Let's arrange a picnic at the weekend. 9.They are a typical Russian family: a father, a mother, two children.  10.There are many endangered animals all over the word: the African elephant, the giant panda, the black rhino and others.

Объяснение:

Объяснение:

Sooner or later everybody has to think about his or her future profession. But when you are just sixteen, it’s so difficult to make the right decision, and so easy to make a mistake! Of course, some people from the very childhood know for sure what they want to be. For example, my best friend has always known that she will be a doctor. She attends special courses for enhanced studying of biology and chemistry, and she believes in her success. As for me, I don’t know exactly what I want. I like a lot of things, and I do well in most subjects. And many professions appear interesting to me.