The president of the World Bank says he has a passion for China, ______ he remembers starting as early as his childhood. 

Some experts argue that the reason why the price of houses can’t drop is that the supply is not ______ to the demand.

Mothers holding jobs outside the home should have ________ schedules to make it easier to care for their children.

 Jack is the ______- child in the family; he wants to have a brother.

I tried hard to get some information about the new technology out of his mouth,but he remained __________.