-- I heard a student killed his mother cruelly.-- So did I. It has ____ a serious problem about the education system in China.
There was a loud explosion in the street. ______ from the stores to see what had happened.
The church was built ______ a Roman temple had once been located.
Van Gogh succeeded in selling only one painting in his lifetime, and ______ was sold to his brother.
Some researchers are finding that daydreaming may be important to ______ mental health. Daydreaming, they say, is ______ good means of relaxation.
―Shall I invite Tom to my party? ―Yes. It’ll be nice if you .