2я и 3я форма слова drop прямо сейчас

1.A McDonald’s hamburger cost $0.15

2.The Twist was a popular dance.

3.Bandstand and I love Lucy were popular TV Programmes. (other answers possible)

The Beach Boys, Elvis and The Beatles were popular.

5.Surfing became popular.

6.Lava lamps, lasers and CDs were invented in the sixties. other answers possible)

7.Fashionable people wore bell bottom jeans, mini-skirts and beads.

8.Martin Luther King was a leader of the Civil Rights Movement.

9.America went to war with Vietnam.

10.The U.S.A. and Soviet Union were the main adversaries. These countries had many allies who were also involved.

11.The three presidents in the 1960's were John F. Kennedy, Lyndon B. Johnson , and Dwight D. Eisenhower.

12.Hippies expressed peace and love and often wore casual, loose clothing, headbands, beads and flowers.

Объяснение:Хорошего дня)

Fact - факт

Reality - реальность

(Ну тут разница и так понятна)

Clean - чистить, мыть, убирать (глагол)

Clear - чисто, ясно, прозрачно(наречие)

Obstruction - препятствие, помеха, что-то непроходимое.

Obstacle - препятствие, помеха, что-то непроходимое.

Obstruction и obstacle это слова-синонимы, между ними нет разницы))) Одинаковые слова по значению, но не по написанию))

Ordinary - обычный, привычный, простой, нормальный.

Common - распространённый, публичный, банальный.

Problem - проблема, трудная ситуация

Trouble - беда, тревога, хлопоты, беспорядок