对外贸易经济效益是从价值增值和使用价值转换两个方面实现的。()
__________twenty-fifthofDecemberis__________ChristmasDay.
Ourteacher__________ustopractiseourspokenEnglishasoftenaspossible.
Wehave____vegetablesinthefridgefordinner.Gotothemarkettobuysome_____.
Shewouldratherhavearoom__________thansleepwithhersister.
