The walls are made of hollow concrete blocks.

2023-07-03

A:empty
B: big
C: long
D: new

参考答案:A

题干意为“这面墙是用空心砖搭建的。”句中划线词意为空的,空洞的。A项empty意为空的;例句:The old empty house soon went to rack and ruin.这所旧的空房子很快就毁坏了。B项意为大的;C项意为长的;D项意为新的;故选A。