The traditional view is ______ we sleep because our brain is “programmed” to make us do so.
| A．when | B．why | C．whether | D．that |
With more forests being destroyed, huge quantities of good earth_______________each year.
| A．is washing away | B．is being washed away | C．are washing away | D．are being washed |
This kind of cloth_______________well and_______________long.
| A．washes; is lasted | B．is washed; lasted | C．washes; lasts | D．is washing; lasting |
His plan was such a good one_______________we all agreed to accept.
| A．as | B．that | C．so | D．and |
—Did you take enough money with you?
—No, I needed_______________I thought I would.
| A．not so much as | B．as much as | C．much more than | D．much less than |
Jumping out of_______________airplane at ten thousand feet is quite _______________ exciting experience.
| A．/; the | B．/; an | C．an; an | D．the; the |