Mary and her sister______warking into shop.(a)is(b)are(c)am(d)be
问题描述:
Mary and her sister______warking into shop.(a)is(b)are(c)am(d)be
答
B.因为是两个人用复数形式are
Mary and her sister______warking into shop.(a)is(b)are(c)am(d)be
B.因为是两个人用复数形式are