You have to leave now________you can catch the early bus．
| A．so that |
| B．as soon as |
| C．because |
| D．if |
Tom has been in the factory _________he left school.
| A．when | B．since | C．as soon as | D．whether |
We didn't begin our group discussion ______ every member came.
| A．if | B．since | C．until | D．while |
—Why didn't you come and buy the new book with me yesterday?
—Sorry, I ______ at that moment.
| A．am fishing | B．was fishing |
| C．will fish | D．would fish |
—Do you like watching The Voice of China on TV?
—Sure. It's nice. But I ______ Sports News.
| A．enjoy | B．want | C．prefer | D．read |
All the countries agreed to ______ an organization to help those kids left homeless in the earthquake.
| A．put up | B．set up |
| C．make up | D．look up |