Luch is 10 years old.Mary is 14 years old （合并为一句）Mary us ___ years ___ than LucyMy favorite subject is chemistry(改为同义句)I____ chemistry ____
问题描述：
Luch is 10 years old.Mary is 14 years old （合并为一句）
Mary us ___ years ___ than Lucy
My favorite subject is chemistry(改为同义句)
I____ chemistry ____
答
Mary is 4 years older than Lucy.
I like chemistry most.
答
Luch is 10 years old.Mary is 14 years old （合并为一句）Mary is _4__ years __older_ than LucyMy favorite subject is chemistry(改为同义句)I__love__ chemistry __best__