he has been in the cinema for an hour是什么时态,为什么要用been?完成时态为什么不用go的过去分词,而用been?

He ________ the army for ten years.A.has joined B.has joined in C.joined D.has been in He has been exposed___English in America over the past two yearsA withB in C intoD to Mr dong ____ to the factory.He will be back __an hour .A .has gone,after B has been ,in C.has gone,in D has been ,after My uncle __the Party in 1978.He for over 19 years.a joined;has been a Party member b.joined;has joined the Party c.has joined;has been the Party d.has joined;has been in the Party where is Mr Liu?He ( )the library.A has been to B has gone to C has been in D has went He said he ______ the league for two years.A.has joined B.has been in C.had been in D.joined为什么要选那个选项? Is the monitor in? He----to the library?A has been B has gone C goes D went he()in the laboratory the whole morning.A.has been working ,B.is working,c.has worked He () the Party since 1977 A.joined B.has joined C.has been in 单选及原因 How long has he been in the hospital?翻译 He has been in the army since 1999. He _____ China by the end of last month. A.came to B.has been in C.had been in D.had been to Since he was made ___ director of the sales department,there __a rapid increase in salesA.a ; was B.the; has been C./;was D./;has been He has been to many places in the USA.这里的has been 英语41.How long _______ the army?41.How long _______ the army?A.has he joined B.has he served in C.has he been D.ago has he gone to为什么 where _ he he_to the library.A have been,went B have been ,have been C has been,went继续上面的“D has been,has been He has been in the next room.---Sorry,I thought that he___ in Shanghai---He has been in the next room.---Sorry,I thought that he___ in ShanghaiA.was B.is C.will be D.has been为神马选A呢,has been in的意思不是“一直在某地”吗? Hello,May I speak to Mr.Smith?—Sorry,he isn't in.He _____ the office.A.has been to B.has gone to C.has been awayc D.has left