—Did you catch what I said?
—Sorry. I ______ a text message just now.
| A．had answering | B．have answered | C．would answer | D．was answering |
__________ there is no law stating how you may dress, not all fashions are respectable.
| A．Because | B．Since | C．While | D．Unless |
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 |