问题

While I _ a Zhengjian Evening Paper inthe sitting room, the doorbell rang.[ ]
A:was reading
B:read
C:is reading
D:had read
B:read
C:is reading
D:had read
正确答案是:
同类题型
There is an art room my school.[ ]
The movie is so__________, and many of us are ____________ in it.
Sometimes most of us probably are angry ______ our friends, parents or teachers. [ ]
Our music teacher stopped singing _________ her sore throat.[ ]
It’s two and a half weeks since the exchange students __________ Wuxi.