He hasn't heard from his friend________last month. A.since B.by the end of C.for D.untilsince 和until有时好难选呀!就像上面这道题.怎样做啊?

she doesn't know if he is _____or dead becausehe hasn't heard from him for a long time.(live) 27.He hasn’t heard from his friend __________ last month.A.since B.by the end of C.for D.until别误导人 He hasn,t heard from his frend______last month.A.since B.by the end of C.must 知道怎么做的告诉下,要理由 he hasn't heard () his uncle for a long time2.I borrowed some books () the school library yesterday3.Please take your clothes () from here 2.Until then,his family _______ from him for six months.A) didn’t hear B) hasn’t been hearingC) hasn’t heard D) hadn’t heard Until then,his family _______ from him for six months.A) didn’t hear B) hasn’t been hearingC) hadn’t heard D) hasn’t heard 6.as a friend of yours.i want to tell you___a.what i heard b.what do i hear c.what i heard from d.what did i hear7.he's almost finished___the magazine ,___he?a.to read,hasn't b.reading,hasn't c.read,isn't d.reading,hasn't8.now more and more people en she hasn't heard from him_______ last month.填空 A.sinceB.until 并解释;-) May hasn't heard from her mother for two months.的同义句. He hasn't heard from his friend________last month. A.since B.by the end of C.for D.untilsince 和until有时好难选呀!就像上面这道题.怎样做啊? 27.He hasn’t heard from his friend __________ last month.对不起啊,还有A.since B.by the end of C.for D.until就是AD我选不出为什么不选D the old man's son for more than two weeks and he hasn't heard from him since then.填 has been away 但是has been away 不是已经回来了么?has gone away 才是去了没回来? Until then,his family _________ from him for six months.A) didn’t hear B) hasn’t been hearing C) hasn’t heard D) hadn’t heard答案我也猜得出来是D.但是为什么. she hasn't heard from him_______ last month.3Q填空A.since B.until 并解释;-) ____she went to New York ,her father hasn`t heard from her.A Because B After C Since D When The woman hasn't heard from her son for several months . It ___ her a lot.interestsmoves worriesplease i( ) from him since he leftA didn't receiveB haven't gotC haven't heard为什么? 将“The fact is that he hasn't yet recover from illness”转变为同位语从句