$1.$ A.negative sides of a thing

→ Câu nhận biết: First comes before the bad side.

$2.$ C. There is a lot of space for people to live and work.

→ Câu nhận biết: The growing industrial development attracts rural people. They flock to the city to seek a job and enjoy the luxuries of city life.

$3.$ D. There is a shortage of water.

→ Vì câu A có câu nhận biết là They work round the clock. They always are in a hurry and worry. ⇔ People are always busy.

Câu B có câu nhận biết là The smoke from the industry and innumerable verities pollutes the air. People breathe only smoke. ⇔ The environment is polluted.

Câu C có câu nhận biết là People live in congested houses in limited space. Colonies of buildings and skyscrapers are raised at random without any systematic planning. ⇔ People live in spacious houses.

$4.$ D. museums

→ Vì "education" - giáo dục không bao gồm viện bảo tàng.

Schools (trường học), plays (chơi), libraries (thư viện) đều là những hoạt động giáo dục

$5.$ D. go to the cinema.

→ Câu nhận biết: For recreation, there are parks with many toys. For amusement, there are cinemas and plays.