has come back 和had come back 表示的时态区别

has come back 和had come back 表示的时态区别 My grandfather_____.He is still very tireds.a.has just come back b.has already come back c. have yet come backd.have just come back he--in there days.a.has come back b.came back c.will come back d.is going to coming back — Has your former classmate come back from America?— Yes,he _______ there for eight years．A．has stayed B．stays C．stayed D．had stayed Bob____all day.Could you speak to him now?A.phones D.has been phoning 我选A,为错了This kind of cloth ___very well.C.has been washed D.washes我选C,为什么错了I've heard that Bob _____ back from his journey to Africa.A has come D.had come我 To my s________,he has come back. Has he come back?对么?不用came? Could you tell us how they ____ back?A. will come B. had come C. come D. would come选哪个?为什么? -When __ your brother __ back?-Abount half an hour agoA.did;come B.had;come C.do;come D.have;come 看看这题选得对不对（英语单选）(1) Not only_____ the jewelry she ____ been sold for her son’s gambling debts but also her house.(2) Never _____ he come unless he _____ his wallet back.A.will,has B.has,had C.has,has D./,has 我原来 He ran back into the room to see if he _______anything behindA.has forgotten B.had forgotten C.has left D.had left不太理解为什么不可以选B forget和leave 的用法有设呢区别吗? Jack is coming back here to _____ something to eat.A.has B.have C.had come back和go back的区别 turn back 和 come back 什么区别 come back和 get back的区别 get back和come back的区别? come back 和get back 区别 My father has gone on business.He___in a week.我要原因,A.came back B.come back C.will ba back D.coming