一、常用否定词
1．英语中含否定含义的表达形式多种多样，可以用not，no，never，none，nobody，nothing，nowhere等否定词来表达否定之意。
We have not signed any agreement.
我们没有签署任何协议。
They never have time to go to the cinema during the weekdays.
他们从星期一到星期五从来都没有时间去看电影。
[即时演练1] 选词填空
①A smile costs nothing，but gives much.(nothing/something)
②My brother would like to buy a good watch but none was available from that shop.(no/none)
