whereis your mother she is ____ my____ a.at uncle b.at uncle's c.in uncle's d.in uncles'说明原因

问题描述:

whereis your mother she is ____ my____ a.at uncle b.at uncle's c.in uncle's d.in uncles'说明原因

B AT UNCLE'S 在叔叔的家 应该是个固定短语 省略了HOME