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 |
Last night the party lasted five hours _____ it was over.
| A．since | B．when | C．after | D．before |
—Did David make his model plane himself?
—He ___, because he doesn't know much about model plane.
| A．has it made | B．had made it | C．had it made | D．made it |
— Four dollars a pair? I think it’s a bit too much．
— If you buy three pairs, the price for each will to three fifty．
| A．come down | B．take down | C．turn over | D．go over |
The old man sat in front of the television every evening, happy ____ anything that happened to be on.
| A．to watch | B．watching | C．watched | D．to have watched |
—How is your recent trip to Mountain Huangshan?
—I’ve never had one before.
| A．a pleasant | B．a more pleasant |
| C．a most pleasant | D．the most pleasant |