It was 1969 _____ the American astronauts succeeded in landing on the moon.
| A．that | B．when | C．on which | D．which |
To work from home, which one could hardly imagine, has been made ______ with the development of computer technology.
| A．it possible | B．possible | C．possibly | D．to be possible |
There was a loud explosion in the street. ______ from the stores to see what had happened.
| A．Out people rushed | B．Out rushed people |
| C．Rushed people out | D．Did people rush out |
The church was built ______ a Roman temple had once been located.
| A．where | B．when | C．what | D．in which |
Van Gogh succeeded in selling only one painting in his lifetime, and ______ was sold to his brother.
| A．another | B．that | C．one | D．which |
Some researchers are finding that daydreaming may be important to ______ mental health. Daydreaming, they say, is ______ good means of relaxation.
| A．the; 不填 | B．不填 ; the | C．不填; a | D．不填; 不填 |