My sister is taller than I am.这里为何要用I am?可不可以把am去掉?

My sister is taller than I am.这里为何要用I am?可不可以把am去掉? taller,than,I,my,am,sister怎么连词成句 Linda is taller than I am. I am taller than she is. 1.用 my older him mother is than 2.Amy I am 8cm than taller My sister is better at sports than I am.I am not ____ _____ i am taller than she is后面为什么加is I am (taller /as tall) than orthers in my class I am taller than Susan把它变成特殊疑问句? I am taller than he is..成分分析 句子分析：I am taller than he is. 可不可以说：He is taller than I am