Having lived in China for 8 years, Helen has a good ______ of both English and Chinese．
| A．program | B．guidance | C．command | D．ability |
Lucy's new job paid twice as much as she had made __in the restaurant．
| A．working | B．work | C．to work | D．worked |
You'd better not leave the medicine __kids can get at it．
| A．even if | B．which | C．where  |
D．so that |
—What do you think of the new English teacher?
—___she is an elegant lady, she can be extremely difficult to work with．
| A．Even if | B．When | C．While | D．Once |
You have no idea how she finished the relay race __ her foot wounded so much．
| A．for | B．when  |
C．with | D．while |
The whole family were worried about Jane because no one was aware ___she had gone．
| A．that where | B．of the place which |
| C．of what | D．of where |