句子成分主语 SubjectHe is playing basketball.Reading is interesting.It is impossible to finish the work in a month.形式主语= Finishing the work in a month is impossible.To see is to believe.Whether he...
句子成分主语 SubjectHe is playing basketball.Reading is interesting.It is impossible to finish the work in a month.形式主语= Finishing the work in a month is impossible.To see is to believe.Whether he...