what?

who told you that the word books was pronounced as book[z]?
it all depends on the ending sound of the word:

book--> books [s]
boy --> boys [z]
leaf --> leaves [vz]
rose --> roses [iz]

所有跟帖： 

• well, for your info, I never learnt the rule ok smarty pants -toughen_up- ♂ (0 bytes) () 11/21/2009 postreply 16:48:52

• plus...how can you be so sure? -toughen_up- ♂ (0 bytes) () 11/21/2009 postreply 16:52:05

• 回複：plus...how can you be so sure? -北京二號- ♀ (89 bytes) () 11/21/2009 postreply 18:12:08

• ok I see...well next time I -toughen_up- ♂ (0 bytes) () 11/21/2009 postreply 18:16:30

• will turn up the volume -toughen_up- ♂ (0 bytes) () 11/21/2009 postreply 18:16:54