When Tommy came out of the house,he found David__Charlie's mouth.

问题描述:

When Tommy came out of the house,he found David__Charlie's mouth.
A is covering Bcovering C to cover

find sb.后面可以接三种用法(这里指的是非谓语动词-ed,-ing,to)ing 表示动作的正在进行,to 表示动作的未发生,还有一种是动词原型,表示动作的全过程.本题A 首先排除了.不是非谓语动词.B 正确,题目的意思是,当Tommy ...