Question

To understand the grammar of the sentence，you must break it______ into parts． 

A．down

B．up

C．off

D．out

Answer 1

B

考查介词与动词构成的短语。break down损坏，拆散；break up分解，解散，散开；break off （使）分离，（使）脱离；折断；break out爆发；从句意来看，应选择B，你必须将它分开成部分。