У загоні 7 офіцерів і 20 рядових. Скількома способами можна сформувати загін розвідників, до якого входять 3 офіцера і 12 рядовиз

Exercise 3 Choose the right variant.(10баллов)

1. If he ……. the fine, he would go to the prison

a) didn’t pay b) pays c) won’t pay

2. They ……… already Astana.

a) have left b) left c) leaved

3. Bob’s parents …….. at work last Saturday.

a) are b) were c) be

4. He ……. this film next day.

a) has seen b) will see c) saw

Exercise 4 (10баллов)

Open the brackets.

1. She ( to drink) too much coffee yesterday

2. She ( not to bring) some chocolates to the every party

3. I ( to forget) just to buy some milk?

4. I (to read) interesting book now

5. His brother (to drink) coffee with milk two hours ago?