Obeying the new law, corporations must cut their carbon dioxide ____________ in half by the end of the year.

The city power grid operates ____________ every day thanks to many technicians.

- Do you live with your grandparents, Hoa? - I did in the past but I have lived with my parents ____________ we moved to the city.

Many students were concerned about climate change, so they decided to take part in this environmental campaign. (CONCERNED) =>____________________, many students decided to take part in this environmental campaign.

Not managed properly, ____________ can lead to many respiratory diseases.

Since she was 11, Jenny has taken part ____________ this volunteering programme every year.

Born and raised in America, John celebrates and values ____________.

The doctor advised us to ____________ salt and sugar. We should also do exercise and eat more green vegetables.

____________ natives are seen as people born after the Internet was developed in the early ’80s.

____________ differences exist between children and their parents, children and their grandparents, and between students and their teachers.

Wanting to strengthen the relation between countries, all the representatives support the new ____________. A. order B. responsibility C. contribution D. proposal

City dwellers are able to lead an increasingly active lifestyle thanks to more ____________ services for everyday life.