每句的四个括号中有一个是错的,挑出每句中那个错的：
问题描述：
每句的四个括号中有一个是错的,挑出每句中那个错的：
1.（If）you （will buy） one box at the regular price,you would receive （after one） at （no） extra cost.
2.（Either） the brother （or） the sister will tell （their） father about what （has happened）.
3.You’ve to (hurry up) (if) you want to buy something (because) there’s hardly (something) left.
4.The book was (so bored) that I (returned it) (to the library) (without finishing) it.
答
1.will buy --- buy ( 条件壮语从句 用一般现在时替代将来时）
2.their---the /her （ 就近原则）
3.something--- anything (hardly 否定词）
4.so bored---- so boring （boring指...令人厌倦；bored 指人感到厌倦）