I had just finished my exam paper when the bell rang,announcing the class was over.announcing表我不是被宣布吗?这里怎么可以用announcing?

I have just finished it have finished和had just finished什么意思 I just had sex I just had I just had I had just finished my work and _____ to take a shower为什么是was starting不是started I've just finished my fresh semester --Are you still busy?--Yes,I () my homework,and it won not take long.A have just finfshed B am just finishing C had just finished D am just going to finish答案是Bwhy? --Are you still busy?--Yes,I () my homework,and it won not take long.A have just finfshed B am just finishing C had just finished D am just going to finish答案是Bwhy? I JUST HAD SEX中文歌词 I just had a crazy I just had sex是什么意思 I,just had a supporting .I Just Had Sex .I Just Had Sex .I Just Had Sex -What were you doing when Jim called you?-I had-What were you doing when Jim called you?-I had just finished my homework and____to have a restA.startedB.had startedC.have startedD.was starting求详解 -What__when I phoned you?A.have you done,finishedB.were you doing,have finishedC.didi you do ,had just finishedD.were you doing,had just finished选哪个呀~我希望能改我正确的答案! I had just finished my exam paper when the bell rang,announcing the class was over.announcing表我不是被宣布吗?这里怎么可以用announcing? i have finished my homework,为什麼不i had?