Прочитайте текст и воткните вместо каждого пропуска нужную грамматическую форму,выбрав её

Прочитайте текст и воткните вместо каждого пропуска подходящую грамматическую форму,
выбрав её из четырёх предложенных вариантов.
Moscow Transport
Moscow is a big city with millions of people living in it, but it is easy to get around Moscow by
public transportation. The Moscow public transportation system is one of A____ in the world and
includes the metro, trams, trolleybuses and buses. Specialists from all over the world come to
Moscow to learn how to organize public transport in B____ home countries. One of the oldest
means of public transportation in Moscow is the tram. The first electric tram line opened in 1899.
But before electricity C____, trams had been pulled by horses. The first horse-drawn tram line
opened in Moscow in 1872. Since then, the city of Moscow D____ a lot. But some of its tram lines
have not changed. The oldest tram line today E____ tram 3.
A 1) the good 2) the best 3) best 4) well
B 1) theres 2) theirs 3) there 4) their
C 1) was using 2) was used 3) used 4) is used
D 1) has changed 2) is changed 3) changed 4) is changing
E 1) was 2) are 3) is 4) were
Запишите в таблицу избранные цифры под соответствующими знаками.
Даю 10 баллов