The meeting was long and the speakers said______n

The advantages and disadvantages of a large population have long been a（n)【C1】______of dis

It was long supposed ____ the main difference between animals and plants was that an

Peter became angry and said that_____.A．he was tired to listen to themB．the listening to t

At the meeting there was a hot argument and so many problems were left______.A．to solveB．s

______ the distance was too long and the time was short, we decided not to drive to Florid

The discussion was so prolonged and exhausting that ______ the speakers stopped for refres