Don’t litter in the street in Singapore,        you could be arrested.

      she was out of the room, he took a quick look at the papers on her desk.

It is already well understood        causes the global warming.

______the boy has already corrected his mistake, we should not punish him any more.

--With the country’s pension fund gap becoming wider than ever, retirement age should be postponed immediately.
---Easier said than done.          we take all factors into account, we shall be faced with some other social problems.

Before long the Greens moved to a bigger city ____ the children could attend a better high school.

I have been advised to arrange for insurance _________ I need medical treatment.

We should go to the cinema early. __________, there won’t be any tickets left.

The boys enjoy playing basketball __________ many of the girls relax by playing ping-pong.

— Will you go out to play for a while, Kate?
—Not         I finish all of my homework.