From facts, scientists have ________ that more energy is being absorbed from the sun, throwing the earth's energy "out of balance".
Because of the snow,many parts of the countryside are only _________ by helicopter.
I tried hard to get some information about the new technology out of his mouth,but he remained __________.
It is reported that heatrelated deaths are __________ due to brain damage.
We have saved some money,but it’s __________ not enough to buy a new house.
The schoolboy,still in bed,said to himself,It’s cold outside,and my bed is __________ and warm.