Fill in the blanks with the appropriate connecting elements of the sentence. Deoxygenation is the most important potential effect ... organic waste discharges. However, toxic compounds such ... ammonia may be present in such wastes, particularly where they have been stored ... some time and have become septic. This can happen ... farm wastes, in which the presence of compounds such as ammonia ... hydrogen sulphide probably contribute as much as the deoxygenating capacity of these wastes to the devastating effect ... fish stocks ... pollution incidents.

on, and, in, for, of, with, as.​

вставить нужную форму Present Perfect или Past Simple:

1) Cats (drank) milk yesterday.

2) The garden is very green. It (has rained) a lot this month.

3) You (slept) on a sofa last night.

4) These are my favourite trousers. I (have had) them for five years.

5) We (sang) a song on the party last night.

6) We (visited) her parents last month.

7) Tom's my best friend. I (have known) him for three years.

8) I (wanted) to read this book last year.

9) They (have lived) in Miami for two years.

10) I (have not visited) New York for three years.

I was born in a small town on the Volga. As a child I was often sick n why he didn't like noisy games. I beat Liu books. The city was not their (local) theatre, but when he came to the Saratov theatre (company), I never missed an opportunity to look at them performances. I so loved the theater that he decided to become an actress after I graduate from school. I participated in an Amateur (amateur) performances, and several times during the holidays we went to Moscow to watch performances from such great actors, as Moskvin, Paschen, Kacha fishing, one Day, Tarasov.
Finally the day came, when I first came on the scene well of this house. I was so worried that didn't notice, as the curtain rose. When I spoke to him, I didn't recognize his own voice. Then ended the first act and the curtain has fallen. I felt that I was crying because I was very upset: I thought I was bad played a role. I was approached and spronin why I was crying. "Don't you hear the audience applauding you? You played perfectly.
At first I believed it, but then I was under my teacher, one of the oldest actors of the theatre, and said that he really liked my playing. I was approached the other actors and said that I had fulfilled my role. It was the happiest day of my life.