что ты кошка здесь полдня ходишь около меня?поставить знаки перпинания

В остроугольном треугольнике АВС проведены высоты АК и СЕ, СЕ=12 см,ВЕ=9см, АК=10см. Найдите АС.

В каких районах Земли и сейчас преобладает присваивающее хозяйство? : 1) В крупных городах .( ) 2) У племён Амазонки. ( ) 3) У оленеводов Чукотки

I. Write the verbs in brackets in the correct tense.

1) I (know) my best friend for five years.

2) I (go) to the United States last year.

3) Jane (meet) her boyfriend three years ago.

4) My grandfather is ninety. He (live) in the same house all his life.

5) Someone stole my purse while I (stop) in the supermarket.

6) I (know) Alison since we (be) five years old.

Ш. Fill in the gaps with in, on, at, since, to.

1) Mr.Hudson has lived in this city … 1996.

2) Frank’s parents returned from Canada … autumn.

3) Professor Fox came to this university … 1987.

4) We went out for a cup of coffee … the middle of afternoon.

5) My friend has studied German … last September.

6) I have finished the work … last!

7) Do you usually come … school … time … the morning?

IV. Use Active or Passive Voice and the correct tense.

1) Not much (say) about this since that time.

2) My friend (write) to me about it several times.

3) All the students (bring) their relatives to the party last night.

4) There (be) no trouble yet.

5) I’m sure you (remember) his name.

6) The post (deliver) to the office in the morning.