Why didn’t Nick come to school yesterday?——–_______ he was ill

Howcan we reduce C02 in our home一It’seasy．________ offyour TV or computers when you’re not usingthem and you’ll greatly reduce it．

By the time I got to the cinema, the movie for half an hour.

Scientists are warning that ________ emissions of carbon (碳排放) are cut, we could be heading for an environmental disaster

Why don’t you go home—Because a lot of work________yet