he has been a math teacher for ten years 划线提问

he has been a math teacher for ten years 划线提问 为什么不能选B 而选A呢?--Has he been home?---______,he _________home since he graduated.A.No; hasn't been B.Yes;has been He ____ to study for the math test. A.have B.hasn't C.has D.haven't John has never been to the space museum,____?A.has John B.has he C.hasn't he He has never been abroad,________?Yes,I think so.选项：A.has he B.hasn't he your father has been to guangzhou twice ,_______?A.has he B.hasn't he C.doesn't he D.isn't he -We haven`t seen John for a long time.-Where do you think____?A he wentB has he goneC he has goneD he has been 英语选择.智者瞧过来~—He has never been to shanghai,_______?—________.He has been there twice.—He has never been to shanghai,_______?—________.He has been there twice.A.has he; no,he hasn'tB.hasn't he;no,he hasn'tC.has he,yes,he hasD. He has made a great p______ in his math. He ------- Beijing .I don't know when he did it.A has gone to B has been to选哪个 Davy has never been to Australia._____?A.hasn't he B.doesn't he C.has he D.does he Neither he nor I（ ）to Beijing.A、have been B、has been C、haven’t been D、hasn’t been he has been going Alice with her math in his office since 9 O'clock He's never been late for school,_______ he?A.is B.has C.isn't D.hasn't Mr.Wang has never been to England,__?A.hasn’t he B.has Mr.Wang C.hasn’t Mr.Wang D.has he Where is our math teacher? -He___to Shanghai A.has gone B.has been C.is going I won't tell the student the answer to the math problem until he ____on it for more than an hour.A has been workingB will have been working选B可以这样理解啊,直到他将要在这个问题上思考一个多小时 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