【正确答案】：
PHRASAL VERBS ARE IDIOMS WHICH ARE COMPOSED OF A VERB PLUS A PREP, AND/OR A  PARTICLE.
【题目解析】：动词短语是由动词和介词，或者动词和小品词结合形成的。
PHRASAL VERBS ARE IDIOMS WHICH ARE COMPOSED OF A VERB PLUS A PREP, AND/OR A  PARTICLE.