在"He bought the watch very cheap"中cheap是副词?

问题描述:

在"He bought the watch very cheap"中cheap是副词?
可是这句话的答案说,cheap在这里是副词耶!为什么?

cheap在这里是副词.cheap本身具有形容词和副词两种词性.在这里,cheap是
修饰行为动词 bought 的,当然是副词.very是修饰cheap的,也是副词.这是
副词修饰副词的例子.再举一例:He jumped very far.(far为副词)