Suddenly,all the lights in her house went .
| A．of | B．off | C．up | D．down |
—What will the weather be like tomorrow?
—It _______ be rainy, cloudy or sunny. Who knows?
| A．must | B．might |
| C．shall | D．should |
—_______ are you leaving for Shanghai?
—In a couple of months.
| A．How long | B．How often |
| C．How soon | D．How fast |
—This is _______ fascinating museum I have ever visited.
—Yes. I’ve never seen a _______ one.
| A．the worst, bigger | B．the most, better |
| C．the better, the best | D．the worst, good |
Stephen Hawking thinks _______ important to have hope in bad situation.
| A．it | B．that | C．this | D．its |
Robert is away. He _______ America since last week.
| A．has been to | B．has joined a club in |
| C．has studied in | D．has become a manager in |