--- Recently many people have no intention of buying a house.
--- I think the reason may be ______ the house price is too high.
| A．that | B．why | C．because | D．which |
I do hope that you can give me some good _______ on how to improve my spoken English.
| A．bases | B．tips | C．fares | D．opinions |
I love animals and that’s the reason ______ I hate the people who kill wild animals for money.
| A．that | B．in which | C．which | D．why |
In the library, I found a useful book ______ how to use English grammar.
| A．to explain | B．explained | C．having explained | D．explaining |
Many websites have been _______ to help people study foreign languages.
| A．set off | B．set up | C．set down | D．set out |
—What do you think of Sam, the newcomer? —Well, he talks as if he ________ everything.
| A．had known | B．has known | C．knew | D．will know |