The old saying _____ genius is one per cent inspiration and ninety－nine per cent perspi

One of the benefits of the new model is that it is easier ______ than the old one.A．operat

Science moves forward, they say, ______ through the insights of great men of genius as bec

The newspaper says that the weather is going to_________tomorrow. A. clear of B. clear

The history of nursing _____ the history of man.A、as old asB、 is old, also old isC、that

______ is the act performed by or resulting from saying something; it is the consequence o

______is known as the "Old Man River".A．The ThamesB．The Mississippi RiverC．The Mackenzie R