rld’s elderly population will exceed ____ of children by 2060,when each group ____ toaccount for about one fifth of the population.

The equipment must be bought from a supplier _____ by the company [ ]

Would you like noodles vegetables

It was in the small house was built with stones by his fatherhe spent his childhood.

How long do you think it will beChina sends a manned spaceship to the moon ?—Perhaps two or three years.[ ]