______ acupuncture developed, the simple “bian stones” were replaced first by stone and pottery needles, and ________ by metal needles.
| A．As ,eventually | B．With, eventually |
| C．With, accidentally | D．As,accidentally |
------Your phone number again ? I ______ quite catch it .
------ It’s 9568442.
| A．didn’t | B．couldn’t | C．don’t | D．can’t |
His _________ estimated at fifty million dollars.
| A．wealth is | B．wealths is | C．wealth are | D．wealths are |
Mother went shopping; ______, I cleaned the house.
| A．while | B．when | C．and when | D．meanwhile |
I haven t much ________ in his honesty.
| A．belief | B．believers | C．beliefs | D．Believed |
High prices for corn and wheat will encourage ____ 。
| A．to farm | B．farming | C．farmer | D．lo farming |