As is known to all, Montreal is the second largest French-speaking city in the world, ______．
| A．Paris is the largest | B．Paris the largest |
| C．Paris to be the largest | D．Paris be the largest |
. The government claims that the economy is improving, but this survey suggests ________.
| A．moreover | B．therefore | C．otherwise | D．meanwhile |
According to statistics, a man is more than twice as likely to die of skin cancer _________ a woman.
| A．than | B．such | C．so | D．as |
The biggest whale is ___ blue whale, which grows to be about 29 meters long—the height of _____ 9-story building.
| A．the; the | B．a; a |
C．a; the | D．the; a |
Some of the roads were flooded, _________ made our journey more difficult.
| A．which | B．it | C．what | D．that |
Look! That fellow is too sleepy to work. He ______ up reading until midnight.
| A．mustn’t stay | B．mustn’t have stayed |
| C．ought not to stay | D．should not have stayed |