（）(信不信由你), his discovery has created a stir in scientific circles.

When I （）(發(fā)現(xiàn)他騙我) I stopped buying thins there and started dealing with another shop.

If this can’t be settled reasonably, it may be necessary to（）(訴助武力).

I（）(將在做實(shí)驗(yàn)) from three to five this afternoon.

Buying clothes（）(是一件很耗時(shí)的工作), because those clothes that a person likes are rarely the ones that fit him or her.

The price of beer（）(從50美分到4美元不等) per liter during the summer season.

（）(正是由于她太沒有經(jīng)驗(yàn)) that she does not know how to deal with the situation.

By the time you get to New York, I（）(已經(jīng)動身去) London.

（）(我們沒有人料到主席會出現(xiàn)) at the party. We thought he was still in hospital.

Over a third of the population was estimated（）(無法獲得) to the health service.