The criminal was condemned ______ in prison, spending all his life.
| A．to staying | B．to stay | C．staying | D．and stayed |
Knowledge from real life isn’t easier to forget than __________ achieved from textbooks.
| A．it | B．that | C．one | D．those |
In our city there are several big public parks __________ many people can go to enjoy the beautiful scenery.
| A．in which | B．at which |
| C．from which | D．to which |
Most of the inhabitants (居民) can’t afford to buy houses of their own, because the price is rising __________.
| A．all the way | B．at last |
| C．at the same time | D．in total |
__________ most efficient way to understand thousands of new words is to gain __________ good knowledge of basic word formation.
| A．A; a | B．The; / | C．A; / | D．The; the |
—Can you help me with the math problem, Dad? ___________.
—OK, let me think it over.
| A．I’m fed up with it | B．I’m stuck |
| C．I didn’t get it | D．I can’t find it |