watch -> watching
因为 like doing sth 固定用法：喜欢做某事.那怎么改？正确的是：My brother doesn't like watchingvideos.How many chocolatedo you want ? Just a few.改错How many chocolatesdo you want ? Just a fewhow many 后接可数名词昨数，故 chocolate-> chocolates可 chocolate是不可数名词chocolate是可数名词，根据后面的 a few 可知