Through listening and reading leaners may_____.

　　题目大意：通过听力和阅读学习者可能会怎样。定位到文中第三段的第四至六句，“Learn these words and phrases through listening and reading. Soon you will run into your new words and phrases elsewhere. Gradually you will be able to use them.”，学习这些单词和短语通过听力和阅读。不久之后你会发现这些新单词和短语分散在所有角落。逐渐地你将能运用他们。由此可知，通过听力和阅读可能会扩充他们的词汇量。选项E符合题意，故选E。