—Look at these black clouds. It ______ soon.
—Sure. If only we ______ out.
| A．is raining； didn't come |
| B．is to rain; won't start |
| C．will rain; haven't started |
| D．is going to rain; hadn't come |
We have no idea what ____ the sports exercises will have _____ human body in the future.
| A．cause; on | B．effect; upon |
| C．affect; in | D．affect; upon |
In the time of economic crisis, every coin _________ a lot.
| A．values | B．important |
| C．worth | D．counts |
--- Miss Yuan, you promised!
--- Well, ____________. But it was you broke your word first.
| A．so was I | B．so did I |
| C．so I was | D．so I did |
Joan spent as much time as she ________ me with my maths while I was in China.
| A．could to help | B．to help |
| C．could helping | D．helped |
--- We haven’t heard from her for a long time.
--- What do you suppose _________ to her?
| A．was happening | B．to happen |
| C．has happened | D．having happened |