7.---Mary, you didn’t show up at the meeting last week? ---No, I________, but my son had a sudden fever and I had to stay at home to take care of him.
. He was in hospital for six months. He felt as if he was ___from the outside world.
His suggestion is worth_____.
It is re ported that the United States uses ___ energy as the whole of Europe.
-Mr Wang is a man of few words, but quick in mind. -__________, you know.
Come and see me whenever __________.