The purpose of new inventions is _______ life more difficult, but to make it easier.

Why didn’t you come to my birthday party yesterday evening —I ______ a wonderful football match.

His uncle be very poor,but now he has been very rich.

All the salt is sold out!- People are crazy! experts say there is no use eating salt to prevent radiation(辐射), some people still don’t believe it.

Jane is in a hurry because the train to the airport leaves _______ half an hour.