----how long have you ----here?----about two mnths.A,been B,

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----how long have you ----here?----about two mnths.A,been B,gone,C,COME D,arrived
Mary __this school since 1996.
A,HAS COME TO b,came to c,has been in d,has taught
I __(read)the novel twice.
She __(go)to Paris ,hasn"t she?
他来这儿还没有一个小时.（两种翻译）
He has _been to shanghai ,has he?
A,already b,never c,ever ,d,still

A been
C has been in
have read
has gone
He's been here for less than an hour.
He came here less than an hour ago.
B never
再问：那个--理由---- 或说多种时态混在一起的怎么做啊？这单元刚刚学了现在完成时，糊里糊涂的，到底怎么判断呢？
再答：动作持续到现在或对现在有影响的用现在完成时；有明确的表示过去的时间状语，用一般过去时。把定义记住，再多练习，没问题的，一定行！加油！
再问：再请教一题My father __Shanghai twice. a,has been to b,has been in c. has gone to d.has gone in
再答： A has been to 我爸爸去过上海两次。（去了已经回来用：have/has been to；去了还没有回来用：have/has gone to）没有has gone in的用法；has been in 意思不一样，表示人在上海祝你学习进步！及时采纳喔！

----how long have you ----here?----about two mnths.A,been B, ---How long have you___here?---About two months.A.been B.gon 1.How long have you been here? How long have you been working here? How long have you been here? how long have you ___ there?---About three years.A.been B.go how long —— you ——here?For about tuo years.A.have studied B. —How long have you been here,Susan?—Only about h —How long have you been here?—For about 10 years,And I _____ How long have you been here?I _____ here only half a month a how long have you been here 和 how long have you stayed here How long will you stay here A.two and a half month B.two and