(1)原形,过去式,过去分词相同:cast/cost/cut/hit/hurt/let/put/broadcast/burst/read/red/set/shut/spread/thrust/upset(2)原形,过去式相同,过去分词不同:beat/beat/beaten(3)原... 全文

2008-08-12 18:02 来自版块 - 

Should it rain tomorrow , we ____ ourselves at home .A will enjoy B would enjoy C are going to D are to

2008-08-06 10:25 来自版块 - 

怎样区分定语从句和名词性从句?

2008-08-04 13:05 来自版块 - 

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