Decide whether the following sentences are Correct or Incorrect in terms of grammar.

She will never make those stupid mistakes again, won't she?

People speak English all over the world, does he?

Everyone is waiting in line for the bus, is he?

Hanoi and Ho Chi Minh city are overcrowded cities in Vietnam, is it?

She's been studying a lot recently, isn’t she?

Choose the best option to complete each sentence.

There will be _________ places for children to play.

Children in poor areas have _________ time to study.

Hanoi has _________ skyscrapers than any other cities in the North of Vietnam.

They have moved to the city to look for jobs, haven't they?

People in poor countries tend to have _________ access to health services than those in rich countries.

The countryside has _________ shopping centers than a big city.

They can't take care of their children, do they?

You never come on time, do you?

Nowadays, there are _________ local people join in community tourism activities.

Higher birth rate is one reason for population growth, isn't it?