题目

- What’s that?- It's _______ eraser.A. a, B. an C. / D. the 答案：【答案】B【解析】试题分析：句意：——那是什么？——那是一块橡皮。eraser是元音音素开头，故用不定冠词an来修饰。故选B。Parents care about _______ children's education more than anything else. [     ]A. their B. them C. theirs