Поставьте существительные в скобках в правильную форму множественного числа.

Пример: Where are my ... (headphone)? - Where are my headphones?

1. There are five ... (room) in our house.

2. These ... (man) seem very suspicious.

3. Do you have many ... (relative)?

4. There are many ... (wolf) in our woods.

5. She doesn't like ... (party).

В опыте Юнга отверстия S1 и S2 освещались монохроматическим светом с длиной волны λ=600нм. Расстояние d между отверстиями равно 1 мм. Найдите положение трех первых светлых полос на экране, расположенном на расстоянии L = 3 м от отверстий.

Найдите и исправьте ошибки в предложениях.

Пример: I bought a three bookes yesterday. - I bought three books yesterday.

1. This shorts is very expensive.

2. Persons often waste their times.

3. Do you believe in elfs?

4. Monkies are a very active animal.

5. Naomi doesn't like big citys.