a jack has been unplugged

a jack has been unplugged Jack ()a teacher for months.A.has becomeB.has turnedC.has changedD.has been Jack‘s grandmother ___for more than twenty years.A has dead B has been died C has been died Jack __a postman for about 6 years.a has become b.has returned c.has changed d.has been Jack ____a postman for about six years.A has become B has turned C has changed D has been Has jack a bike? Mr. Jack __China for several years. A. has beenMr. Jack __China for several years. A. has been to B. has come to C.has been in D. came to Have you seen Jack these days?---- No,I haven’t.He _______ Beijing.A.have been inB.has been to C.has gone to D.has gone Jack ( )Mary for 30 years.A.has married B.has been married toC.married to并说明理由 Not only Tom but also Jack __to that city several times.A.have been B.has been C.have gone D.has gone jack has been a diligent person ( ) his childhood.a for b in c from d at选什么为什么 Where is Jack?He __________ his country.a.have/has been to /in b.have oen to helen jack for 7 yearsA has been married to B has been married to C has married D has been married to空位于helen和jack之间， Who comes to school earlier ,Mike or Jack?A.Jack isBJack doesC.Jack comesD.Jack has hello.this is tom.is jack in?sorry.he___for a month.A has been B go C is going D has gone.选词填空.加解析. Jack ,I haven't seen your brother for a long time.---He __Shanghai on business for two months.A has gone to B has been to C has been in ,A 和B 为什么不对， jack has been dead for three years为什么用被动jack已经被死了三年? --has jack finished his homework yet?--i've no idea,but he___it this morning A.was doingB.had been doing C.has done D.did