A study has proven old people who are ______eaters of fish during their youth lose fewer brain cells.
—He always appears when we are in trouble. —We can find a true friend _________ him.
Playing tricks on others is __________ we should never do.
In 1998,great floods __________ the southern states of China.
We needed a new cupboard for the kitchen.So Peter made __________ from some wood we had.
—You don’t seem to be quite yourself today,Jim? —I’m suffering from a cold.Nothing serious,__________.