Ex 1. complete the sentences by using the past conditional of verbs in brackets

1. he didn't know anything about the party, or he (come). 2. the doctor told me nothing about the new treatment, or i (try) it. 3. why didn't you consult your tutor? he (advise) you what to do. 4. we couldn't get in touch with each other, or we (avoid) a lot of trouble. 5. there were no computers in those times, or my father (learn) them. 6. he was pressed for time last week or he (visit) his in-laws. 7. helen didn't buy the dress though it was just what she wanted. in her place i (buy) it. 8. michael finally made up with his son or he (change) his will. 9. why didn't you ask me? i (can) (give a lift) you to the fitness centre. 10. it really was hitting news or everybody (take) it easy. 11. — you've got into a mess again! — really, you (can) (be) more careful! 12. olga's mother did all the housework, or she (learn) how to cook. 13. she had an alibi or the police (arrest) her. 14. the new perfume was too sweet or i (buy) it. 15. the serial was too long otherwise i (watch) it to the end. 16. if it weren't for electricity, we all still (watch) television by candlelight.

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:

When summer vacation coming to an end, we begin to prepare for school. it is no accident that it is the first day of the school year marks the day of knowledge, it is called so. after all, what school? this is the place where we learn a lot of new and interesting things about the world, the mysteries of nature and ourselves. we gain knowledge and skills that will be useful to us throughout life, and learn to understand the beauty, to communicate with people to develop their talents. the first of september - joyful day when, after the summer holidays, we return to school to learn new skills and meet friends. this is the day when empty without school students again filled with children's voices and the rustle of notebooks. again joyfully ringing school bell, announcing the beginning and end of the lesson. i still remember how one day on september mom brought me to school the first time. i remember it was a little scary and insanely fun! so many children, flowers, music, new neat form how many unexplored ahead! i knew i was an adult, not some kind ditsadkovets, and with trepidation expecting what will be my first lesson. on this day, we go to school especially good, funny, with bouquets of flowers. our teachers, head teachers, the director said many warm parting words, we want academic excellence. in my opinion, this is good - to begin the school year with the holidays, it charges a good mood on the difficult but interesting training routine.