what ( ) your father ( ) from 7to9 this morningA,will do B,was do_英语解答

what ( ) your father ( ) from 7to9 this morning
A,will do
B,was doing
c,did do 急哈

人气：171 ℃　时间：2019-10-19 12:17:49

解答

B
过去一段时间一直在做什么,过去进行时.