I'm tired out. I all afternoon and I don't seem to have finished anything.
| A．shopped | B．have shopped |
| C．had shopped | D．have been shopping |
-Is that hall big enough? We have at least 200 guests.
-Sure. That's a hall which can __________400 people.
| A．consist | B．admit |
| C．hold | D．accommodate |
Mark needs to learn Chinese __________ his company is opening a branch in Beijing.
| A．unless | B．until |
| C．although | D．since |
Nowadays the power of the wind is being __________ to generate electricity.
| A．harnessed | B．made |
| C．produced | D．exploited |
Winning the competition __________ his financial problems.
| A．was an end | B．came to an end |
| C．brought an end to | D．put an end |
It makes __________ to fight for your highest attainable goal.
| A．progress | B．efforts |
| C．sense | D．contributions |