he has been ___the research in monsters ever since选项A diving into B dived to C being dived D dived into

he has been ___the research in monsters ever since选项A diving into B dived to C being dived D dived into long has he been away? He has never been abroad,has he?怎么翻译 Tom has been charged ____robbery and is being questioned ___the police now.(填介词） I haven't seen M r White for days.can you tell me where he has been?怎么不说where he has gone? he has been to beijing.什么时态? 翻译: He has been dozens of times. he has been there _twice____.画线提问 he has been in english since last He has been here ___since yesterday.___ He has never been there.英译汉 He has not been back yet He has been( )(die) fou two days. He has been abroad many times. He think he has been to shanghai ,does he. His father ___the Party since 1978.A:joined B:has joined C:was in D:has been in His father ___the Party since 1978.A.joined B.has joined C.was in D.has been in ,为什么? He has been to the Great Wall中为什么been