I bought the digital camera two months ago.— You mean that you __________ it for nearly two months.

Ben was busy taking a training class, _________ we had to wait for him for half an hour.

You’ll do much better _________ you’ re more careful with your spelling.

I think English is ____unimportant subject.—I don’t think so. It is ____useful tool when we talk with foreigners.

19． The matter has reached to a point ____ the two sides will have togo to court.