BOB has been s__ a lot of old coins in his bedroom for three years.填什么

BOB has been s__ a lot of old coins in his bedroom for three years.填什么 Bob has turned into__honest man.He's__. A, an,to be depended B.a,depended on C.one,to be dependedD./, to be depended Has Bob been to this town before? The study shows,since the drug's__,it has been given to.a.approved b.approval为什么选B,不能选A呢? Max has a bad cold.He s__ a lot today BOb has been collecting kites__?A since 4 years agoB since he was ten years oldC for 4 years Bob has a great collection of shells. He has been ___shells___ three years. A.collected,since B.collecting,about C.collect,during D.collecting,for It_____that Bob has been away for a long time.He hasn't come back yet.A seems B looks C looks like D seems like 这个题目选什么呀 where is bob?He _______America for a weekA has gone off to B has left for C has been off to D has set off to请说明原因, Bob has a baseball 改为一般疑问句并作肯定回答 ( ) Bob ( ) a baseball?yes,( )( ) He has never been to beijing,__have l.A.so B.neither C.too D.also Almost every driver knows it has been a (l ) not to drive cars after drinkin 怎样转换“Bob has been away from school for one hour”的同义句? Bob has been s_a lot of old coins in his bedroom for three years There has been a misunderstanding. a jack has been unplugged Bob has a new English book.改为一般疑问句 Hi,Bob,Lucy has a story tu tell.是什么意思