11.The queen will visit the town in May ,________ she will open the new hospital.________ she will open the new hospital.A.when B.then C.while D.but

问题描述:

11.The queen will visit the town in May ,________ she will open the new hospital.
________ she will open the new hospital.
A.when B.then C.while D.but

A
when 关系副词,“在那时”,when 引导非限制性定语从句.