.Mary talked ________ she had seen the fire. But in fact she only heard of it from others.
| A．so that | B．as if | C．even if | D．as soon as |
Last week, only two people came to look at the house, _______ wanted to buy it.
| A．none of them | B．both of them |
| C．none of whom | D．neither of whom |
That’s the new machine ________ parts are too small to be seen.（）
| A．that | B．which | C．whose | D．What |
Is this research center _____you saw the modern equipment last year?
| A．which | B．that | C．the one where | D．the one that |
The owner of the cinema needed to make a lot of improvements and employ more people to keep it running，________meant spending tens of thousands of pounds.
| A．who | B．that |
| C．as | D．which |
Teenagerstheir health because they play computer games too much.
| A．have damaged | B．are damaging | C．damaged | D．will damage |