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.
1 Books … are very expensive nowadays. B ,which are our friends, (Non-defining, that is why with comma).
2 Martin… is very naïve for his age. B ,who is my brother, (Non-defining, that is why with comma).
3 People … abuse animals must be arrested. A who
4 Vivien … go as it was already late. It was getting darker every minute. A had to (Past Simple)
5 You … share this news with Col as he is your friend. A should
6 Sue wishes she … in a warm country now. B was
7 You should avoid … at him, he may critically react to that. B staring
8 It … summer, it … warm or even hot. A is, is
9 If we … a chance, we … the school project, but we’ll be very busy. A had, would join
10 If you … the diet, you … slim now. B followed, would have looked .
Объяснение:
1)have been
2)were
3)have cut
4)hasn't worked
5)wasn't sleeping
6)don't enjoy
7)forgot
8)it have gone
9)wasn't drinking
10)have had
11)has invented
12)injure
13)did you have
14)She went
15)rode
16)Where did you be?
17)you buy
18)haven't been
19)Did you see
20)had