We don’t have enough money .We,_______, can’t afford to buy the car.
| A．therefore | B．so | C．however | D．thus |
It is reported that many a new house ______ at present in the disaster area.
| A．are being built | B．were being built |
| C．was being built | D．is being built |
------ I don’t think he is fit for the job, ______?
------Why do you think so ?
| A．do I | B．don’t I | C．is he | D．isn’t he |
______ is of great importance now , my teacher often reminds me ,is study.
| A．It | B． As | C．What | D．Which |
Although he was in poor health , Robert succeeded ______ other more famous engineers failed.
| A．which | B．that | C．what | D．where |
Even if the treatment _____, there’s still no magic pill for patients in the late stage of AIDS.
| A．does | B．performs | C．works | D．runs |