In order to finish the research, the professor always _______, for every day the light in hisroom didn’t go out until 4 a.m.
| A．mixed up | B．cleaned up | C．turned up | D．stayed up |
--Have you got a digital camera?
---No.
---You should buy________.
| A．one | B．it | C．that | D．this |
________ for the fact that she broke her leg, she might have passed the exam.
| A．Hadn’t it been | B．Had it not been | C．Was it not | D．Were it not |
Mr. Smith is always on time for everything. How ________ it be that he was late for the flight?
| A．can | B．must | C．may | D．need |
A good speaker is supposed to manage to ________ the listeners what he means.
| A．make sense to | B．appeal to | C．attach to | D．get across to |
Can it be in the drawer ________ you put your keys?
| A．where | B．that | C．what | D．when |