选择.My mother ( )nothing ( )today.( ) A、have,to do B、has,to do C、has,doing

问题描述:

选择.My mother ( )nothing ( )today.( ) A、have,to do B、has,to do C、has,doing

B (动词不定式作后置定语,主语第三人称单数,故用HAS)
我妈妈今天没有什么事做.