I called the airline to ______ my flight reservation a week before I left for Canada.
| A．expand | B．book | C．confirm | D．strengthen |
December is _______ month of the year.
| A．twelve | B．twelfth | C．the twelfth | D．the twelve |
This took place in the ______ .
| A．1940 | B．1940s | C．1940es | D．1940th |
It is only _____ from my home to the train station.
| A．ten minutes walk | B．ten-minutes walk | C．ten minutes ‘s walk | D．ten minutes’ walk |
There are ______ in this building , I live on ______.
| A．nine floors ,the ninth floor | B．nine floor, the ninth floor |
| C．nine floor , nine floors | D．ninth floor,the ninth floor |
The water behind the Three Gorges Dams (三峡大坝) should be ______ higher than downstream（下游）。
| A．sixty-five meter | B．sixty-fifth meter | C．sixty-five meters | D．sixty-fifth meters |