Americans eat____ vegetables per person today as they did in 1990.
| A．more than twice | B．as twice as many |
| C．twice as many as | D．more than twice as many |
We must live up to _____ have been expected of ourselves.
| A．what | B．which | C．that | D．all what |
Try to guess which _____ the horse _____ to me?
| A．is, belongs | B．does, belong | C．is, belonging | D．is, belonged |
Chicago lies ____ the two rail roads are connected
| A．where | B．wherever | C．in the place | D．in which |
The oil must have been used up, _____ the light went out.
| A．for | B．because | C．since | D．as |
It is only when you lose something _____ how much you value it.
| A．then you will realize | B．do you realize |
| C．that you will realize | D．which you will realize |