A lot of houses are on sale but some are good ones.这句话那里有错呀?[ 1题

A lot of houses are on sale but some are good ones.这句话那里有错呀?[ 1题
A lot of houses are on sale but some are good ones.这句话那里有错呀?[

 
1题

A lot of houses are on sale but some are good ones.这句话那里有错呀?[ 1题
把but改为and,因为是顺承关系,而不是转折关系.