是have been well还是 have been good啊

是have been well还是 have been good啊 The cancer risks _____________ smoking have been well decumented是associated with 还是 associating with I have been there,have been 是have been in还是have been to的缩写? Where are the Greens,may I ask?Well,they to England,They there for nearly a week now.Where are the Greens,may I ask?Well,they to England,They there for nearly a week now.A,have been,have been,B,have been,have gone.C,have gone.have been,D,have gone.ha have been的been是分词还是过去 people who是has been还是have been 求专业人士进：是have been increased 还是have increased?两种用法我都看到过,是都可以用无区别还是有区别并且分不同的情况使用?The production of grain has been increased by four times this year.为什么这里用ha have been还是have been being? I,_____,have been to the Great Wall.能填as well 还是too,还是两个都行 请问是have been already read还是have already been read How have you been?And he get along well?I'm ...请问中文是/? 公顷的符号是ha还是hm? 公顷的符号是ha还是hm? have been wind还是windy 9.Bob looks pale.He ________ well these days.A.must not have been feeling B.may not have been feelingC.shouldn’t have been feeling应该选a还是b呢? never have I been there.的谓语是have还是never have. have died have been deadhave后要加过去式还是过去分词?died是过去式还是过去分词? ---- Where are the Greens,may I ask?---- Well they _____ to England..They have been there for nearly a week now.(接上面那一句）A.have been B.are going to C.have gone D.will go 答案是A还是C?为什么?