Xem thêm: Tiền tố trong tiếng Anh

1. It’s (realistic) to expect everyone to change their buying habits overnight.
2. When it comes to protecting the environment, cost should be  (relevant).
3. It’s (reasonable) for rich countries to expect developing countries to reduce carbon emissions immediately.
4. People who dump chemical waste into our waterways are very (responsible).
5. The oil spill has caused (repairable) damage to several marine species.