Преобразуйте слова, напечатанные заглавными буквами в конце строк.

Fill in the prepositions in, on or at.

1) _in 1930,  _in 1992,  _in 2001

2) _in the summer, _in the winter

ответ:   I.  1) in, in, in  2) in, in

С такими датами (в таком-то году) и с сезонами всегда употребляется предлог - in.

Fill in the prepositions in, on or at.  

1) _at Christmas, _at Easter  (праздники)

2) _in January, _in February  (месяцы)

3) _on 1st May, _on 7th June  (даты - такого-то числа)

ответ:   II.  1) at, at 2) in, in 3) on, on

Fill in the prepositions in, on or at.  

1) _at ten o'clock, _at 2.15  (время на часах)

2) _on Monday, _on Tuesday  (в какой-то день недели)

3) _on Monday morning, _on Tuesday afternoon  (часть дня недели)

4) _in the evening, _in summer (часть дня, время года)

 ответ:  lll.  1) at, at 2) on, on 3) on, on, 4) in, in

Задание 1

неисчисляемые:

wool,air, assistance, paper, bread, darkness, water, cheese, happiness, glass, sand, music, friendship, quickness, tobacco, copper, coffee, money, ink, meat, silver, timber, ice, chalk, heat, milk, butter, speed.

исчисляемые:

an airship, a word, an aviation, an assistant, a paper ( газета ), an hour, a sea, an event, a glass (стакан), a hero, a piano, a friend, a cigarette, an armchair, a ship, a coin, a university, a banknote, a watch, a tree ,an idea, a furniture, a cow, a horse, a machine, an equipment , an obligation, an instrument, an umbrella.

Задание 2

places, libraries, languages, dresses, flies, watches, clocks, countries, eyes, buses, bushes, parties, rays, thieves, companies, Negroes, masses, leaves, wolves, glasses, keys, boxes, halves, lives, days, plays, factories, cities, opportunities, colonies, roofs, months, journeys, shelves, heroes;

b) men, women, teeth, feet, geese, children, mice, oxen;

c) postmen, sons-in-law, editors-in-chief, fishermen, schoolgirls, sisters-in-law, text-books, pocket- knives, passers-by, statesmen;