How long do you think ___________ the Microsoft brings out a new product?
| A．it will be before | B．will it be until |
| C．will it be when | D．it will be that |
The book is neither yours nor mine. Whose ________ it be?
| A．must |
| B．may |
| C．should |
| D．can |
On National Day, people sing and dance to ________the birth of our country.
| A．congratulate |
| B．celebrate |
| C．greet |
| D．salute |
When a pencil is partly in a glass of water, it looks ________ it were broken.
| A．as |
| B．as if |
| C．even if |
| D．that |
—Is John coming by train?
—He should, but he ________ not. He likes drivinghis car.
| A．must |
| B．can |
| C．may |
| D．need |
The audience ________ to see who would win the gold medal.
| A．took a deep breath |
| B．held their breath |
| C．lost their breath |
| D．was out of breath |