My father _____(sweep)the floor while my mother and I ______(clean)the windows
问题描述:
My father _____(sweep)the floor while my mother and I ______(clean)the windows
答
was sweeping were cleaning
答
My father __is sweeping___(sweep)the floor while my mother and I __are cleaning____(clean)the windows
答
is sweeping
are cleaning
答
is sweeping
are cleaning ( WHILE +进行时,主语是复数,‘MY MOTHER AND I’