Lucy has a great sense of humor and always keeps her colleagues with her stories.
| A．amused | B．amusing | C．to amuse | D．to be amused |
______ you are at home alone, please don’t leave the door open.
| A．While | B．As |
| C．Before | D．How |
_______ you are alone with her, tell her that you like her.
| A．While | B．As |
| C．After | D．How |
After the war, a new school building was put up ______ there had once been a theatre.
| A．that | B．when |
| C．which | D．where |
The famous scientist grew up _______ he was born and in 1930 he came to Shanghai.
| A．when | B．whenever |
| C．where | D．wherever |
She found her calculator _______ she lost it.
| A．where | B．while |
| C．in which | D．that |