She wrote a month ago, ______ we’ve heard nothing.
| A．since when | B．before which | C．since that | D．after which |
174. The teacher asked his students to help the old lady to do some housework and they made a good _____ of it.
| A．job | B．work | C．task | D．Justice |
173. One of my Japanese friends sent me two _____, but I didn’t accept them.
| A．jewels | B．jewel | C．jewelry | D．Jewelries |
172. Since the disaster of September 11, American economy has got into a jam. The underlined part probably means _____.
| A．had a lot of trouble | B．become very good | C．got into a stop | D．developed rapidly |
171. You should put down your jacket, otherwise both of you will have a quarrel. That will make things worse. The underlined part probably means _____.
| A．wear your jacket | B．take off your jacket | C．not be excited | D．throw away the jacket |
170. So long as you work hard enough, a(an) _____ rod can be ground into a needle. (prov.)
| A．steel | B．stick | C．gold | D．Iron |