У квадрат зі стороною 8 см вписано квадрат, вершинами якого є середини сторін заданого квадрата. У другий квадрат у такий же спосіб вписано третій квадрат і т.д. Знайдіть площу шостого квадрата.

ВЫБЕРИТЕ ПРАВИЛЬНЫЙ ОТВЕТ!!!

We ___ this film before. I can't remember when.

a. saw

b. have seen

I think they ___ . There's a car outside.

a. have arrived

b. arrived

I ___ him at a conference last year.

a. have seen

b. saw

Mary usually phones me on Fridays, but she ___ last Friday.

a. didn't phone

b. hasn't phoned

I ___ four cups of coffee today.

a. drank

b. have drunk

I was very tired, so I ___ to bed early.

a. have gone

b. went

Постройте отрицательные и вопросительные предложения (альтернативный,
разделительный, специальные и общий вопросы)
1. I like my tea with cream.
2. Last winter our students visited Rome.
3. Although the weather was fine they decided to stay at home.
4. I work from 9 to 6.
5. I will come and see you next week.
6. There are some English books on the table.
7. Mary will teach her children to play the piano.

как правильно написать отросль или отрасль? Помоему это слово исключение. И надо написать отрасль не так ли?