—Do you regret paying ten dollars for that book?
—No，I would gladly have paid ________.
| A．as twice many | B．twice as many |
| C．twice as much | D．as twice much |
In order to produce more grain, it________that the area of farmland_____.
| A．is demanded, being increased | B．has been demanded, be increased |
| C．demand, should be increased | D．demands, should increase |
---Do you like the new pen?
---Yes, it_____ smoothly.
| A．is written | B．is writing | C．writes | D．wrote |
.The Red Army ____ more than 25,000 li and arrived at North Shanxi at last.
| A．walked | B．ran | C．covered | D．travel |
News reports say peace talks between the two countries _____ with no agreement reached.
| A．have broken down | B．have broke out |
| C．have broke in | D．have broke up |
---What made you so angry?
| A．Mary’s leaving, instead of | B．Mary’s left, instead of |
| C．Mary’s leaving, without | D．Mary”s leaving, instead |