Both rice and wheat _______ grown in our country.
This is Mr.Smith ________ I think has something interesting to tell you.
Stop ________ yourself in the mirror.It's time for work.
They are my good friends.They helped to________ me through the difficulty.
Dr.Sun Yatsen had________ for the independence of the country and happiness of the people in all his life.
This business company which was ________ in 1724 has developed into a big one.