A turning point of the continuously high housing price won't appear suddenly because there must be a certain process _ many factors lead to the change．
| A．which | B．what | C．where | D．that |
．I want to buy that kind of cloth because I _____ the cloth _____ well.
| A．have been told; washes | B．have told; washes |
| C．was told; washed | D．have been told; is washed |
His letter was especially welcome as I ____ from him for long.
| A．haven’t heard | B．would not heard | C．hadn’t heard | D．didn’t heard |
—May I speak to your manager Mr.Williams at five o’clock tonight?
—I’m sorry. Mr. Williams ________ to a conference long before then.
| A．will have gone | B．had gone | C．would have gone | D．has gone |
—Why were you not at the concert?
—I________ a close game between two European football teams.
| A．watched | B．had watched |
| C．was watching | D．have been watching |
We_______onitforseveralhoursbutwehavenotyetreachedanyconclusion.
| A．work | B．areworking |
| C．havebeenworking | D．havebeenworked |