I think, that people must protect our planet from the main problems of economic. Because it is very important to understand, that nobody can live wothout oxygen,Cause that is absolutely impossible! Almost every day we can notice this kind of people, who can not get the simpliest rules of keeping health life routine. The main problem of economic is cutting the trees! Thanks to it., we can breath, but the bad news, in our wide world, there is a little amount of plants. Well, I guess we should think about it because it is rather important than the money.
Объяснение:
Ex 1
9 I rarely go to the park
10 They go to a restaurant from time to time
11 You visit your parents several times a year
12 She seldom goes to museums
Ex 2
a) Mary usually goes shopping to the mall
b) Amalia sometimes helps her parents with the housework
c) We never are late to school
d) Mark hardly ever is sad
e) My sister often goes swimming
f) Our teacher usually is very friendly
g) David often doesn't study the grammar reference before his tests
h) I always am happy
i) Elena hardly ever reads the newspaper
j) Laura usually has breakfast with her family
k) My friends often are quite punctual
Объяснение:
2. Did you play volleyball yesterday?
3. I didn't play volleyball yesterday.
4. I went to school yesterday.
5. We played hockey yesterday