Question

【题目】Mum, ______ my friends, Dale and Helen.

A. this is B. they are C. he and she D. these are

Answer 1

【答案】D

【解析】句意：妈妈，这是我的朋友，戴尔和海伦。A. this is这是；B. they are 他们是；C. he and she他和她；D. these are这些是。介绍别人时常说：This/That is…或These/Those are…，friends为名词复数，要用these替代，故答案为D。