My sister _____ as a secretary in her company for three years and now she _____ to the manager of the sales department.
| A．served; has been promoted | B．had served; has been promoted |
| C．has served; has promoted | D．was serving; has promoted |
John seems to sit in front of the television all night.
| A．content | B．easy | C．cozy | D．comfortable |
I really worry about her, but I know if I the therapy, she will stop speaking to me.
| A．bring out | B．bring in | C．bring up | D．bring out |
She tried to sleep, but thoughts and images flashed into her mind.
| A．crowded out | B．crowed to | C．crowded of | D．crowded in |
The society was set up to endangered species form extinction.
| A．deserve | B．preserve | C．observe | D．reserve |
We today not a victory of a party but a celebration of freedom, symbolizing an end as well as a beginning, signifying renewal as well as change.
| A．enjoy | B．observe | C．watch | D．suspect |