. Jack almost fell off the cliff, but managed to _____ until help came.
| A．keep on | B．catch on | C．count on | D．hang on |
Since advertising can increase sales of production, _____it can _____the price.
| A．so; reduced | B．so; reduce | C．/; be reduced | D．/ ; reduce |
– What are you advertising ______?
---________. I need a place to stay at.
| A．for; The house | B．to; A house |
| C．for; A flat | D．to; A room |
– Do you have any idea which to choose?
--- Well, you’d better take this one. It’s ______in price and good in quality.
| A．lower | B．cheaper | C．high | D．higher |
_____of modern agriculture, more and more waste is produced.
| A．With the development | B．With the developing |
| C．By the development | D．By the developing |
We have 24 offices, each ____computers.
| A．is equipped with | B．equipped by |
| C．is equipped by | D．equipped with |