The new bill would ________ workers two weeks of unpaid leave for family emergencies.
| A．provide |
| B．supply |
| C．admit |
| D．permit |
92. The international police has come into existence and they were ____ the key to global security.
| A．thus | B．for | C．or | D．Otherwise |
91. She likes to keep things rather than throw them ____ .
| A．out | B．off | C．down | D．Away |
90. ____ the work was very difficult, they managed to finish it in time.
| A．Because | B．Though | C．Therefore | D．But |
89. The task is hard, ____, the workers managed to finish it in time.
| A．therefore | B．otherwise | C．however | D．Yet |
88. My old school friend comes to see me now and then. The underlined part means ____.
| A．seldom | B．sometimes | C．once a year | D．Never |