这道题就不对,要么说tigers eat meat (表示一类事物要用复数) 要么说the tiger eats meat(表示有一只老虎吃肉,动词用三单) 绝不可能出现tiger eat meat.这种句子 如果对tigers eat meat 提问是does tigers eat meat? 如果对the tiger eats meat提问是does the tiger eat meat?