is known to us all that the old scientist,for life is hard in the past,still works hard in his eighties.
___________of danger in the street at night, she had to go home, with a friend_____her.
______ strong and powerful China will certainly benefit ______ whole world.
In the dark forest _______, some large enough to hold several English towns.
.Last week, only two people came to look at the house, _______ wanted to buy it.
After the new technique was introduced, the farmers produced ________ grain in 2006 as five years before.