1. The latest census shows that China’s population ______________ (已超过10亿)
2. Modernization will be entirely possible in the first half of the 21st century, as long as we ________________(坚持认为)that economic development is the center of all our work.
3. When Sandy recovered from cancer, her doctor ___________________________(把此归因于她对未来的信念).
4. The room is in a terrible mess; it _____________________(肯定没打扫过)
5. Mark often___________________(试图逃脱罚款)whenever he breaks traffic regulations.
参考答案：
1. has exceeded one billion
2. hold an idea/ insist on the idea/ stick to the idea
3. attributed it to her firm belief in the future
4. can't have been cleaned
5. attempts to escape being fined
