It is not profitable to provide bus services in districts where the population is widely _____.
| A．scattered | B．dismissed | C．separated | D．spread |
I still remember the days __________ I spent __________ with you in Beijing.
| A．when; staying | B．what; to stay |
| C．that; staying | D．during; to stay |
To do it by yourself is more important than __________.
| A．say it | B．to say it |
| C．you say it | D．your saying it |
In my opinion, life in the twenty-first century is much easier than __________.
| A．that used to be | B．it is used to |
| C．it was used to | D．it used to be |
__________ she finds out that you've lost her book?
| A．What about | B．How about | C．How if | D．What if |
After a new reform, the number of the products in the factory is now __________ it was in 2003.
| A．three times as larger as | B．more than three times |
| C．twice as large as | D．as twice large as |