They _________ on the program for almost one week before I joined them, and now we are still working on it as no good results have come out so far.
| A．have worked | B．had worked |
| C．have been working | D．had been working |
Too many hotels have been built and this has _____ prices, making holidays cheaper.
| A．cut short | B．cut out | C．cut off | D．cut down |
The number of tickets _____ will be determined by the size of the stadium.
| A．adaptable | B．acceptable | C．advisable | D．available |
According to the psychoanalyst Sigmund Freud, wisdom comes from the _____ of maturity.
| A．fulfillment | B．achievement |
| C．establishment | D．accomplishment |
. My camera can be _____ to take pictures in cloudy or sunny conditions.
| A．treated | B．adopted | C．adjusted | D．remedied |
This is the _____ piano on which the composer created some of his greatest works.
| A．actual | B．genuine | C．real | D．original |