Question

【题目】The box is too heavy to carry. It ______________ many books. （充满）

Answer 1

【答案】is full of / is filled with

【解析】

句意：这个盒子太重了搬不动，它装满了很多书。

充满，短语be full of / be filled with；一般现在时，主语it是单数，所以be动词用is。故答案填is full of / is filled with。