The scientists predict that if present trends____, women in 400 years will be 2cm shorter and have healthier hearts

er to reduce the increasing prices ofvegetables , the tollifa truck carrying them passes through a toll station .

Smoking is so harmful to people’s health that it kills __________ people each year than automobile accidents.

．一________womanis Tom’s mother一Theone in the red coat．

He is too tired ______ any more.