20年前,手机称“大哥大”,买一部要花2万多元.最近,小薇只用200多元便买了一部。手机价格降低的根本原因是 ( )
Old Henry saw Wang Wang ___near his house.
My homework is difficult.
Mary has _______hair.
——__________? ——Yes,I’d like a bowl of noodles.
— Would you like to go for a picnic with us? —_____, but I’m too busy.