helen has been studying piano for several years and she still___a,has b,does c,has been d,did

helen jack for 7 yearsA has been married to B has been married to C has married D has been married to空位于helen和jack之间， helen has been studying piano for several years and she still___a,has b,does c,has been d,did A study has been _____ recently .这个空填什么? where is Helen?She _____America for a week.has gone off to,has left for,has been off to,has set off to 选哪一个? It has been six years since I began to study English. 怎么翻译? my mother has been i____ me to make greater progress in study it has been two days since I started study.这句子对吗? 现在完成时练习题----You sister ______ to London to study English.Is that true?----Yes.She _____ there for two monthsA.has been,has been B.will go,has gone C.gone,will be D.has go,has been has been Helen has sixlessons every Monday.一般疑问句 Helen has three notebook. 对three提问 tune在这里是什么意思?Her honors study year has been funded to the tune of $4500 through this scholarship Helen often helps other students to study English Helen A special scientist team had been formed to study the possible relationship between the unusalA special scientist team has been formed to study the possible relationship between the unusual weather in Australia and _____ in Brazil and some other coun has always has always been 改过去式Everyday Helen has to face lots of books , and homework seems endless . Such boring life continues for a long time . Helen feels extremely tired . She thinks it won't do good to her study , so she decides to take a trip . She starts to pa 12.You sister___ to London to study English.Is that true?Yes,she __there for two months谁有这张试卷更好!正好在12题,有的话我加分A.has been,has been B.will go,has goneC.gone ,will beD.has gone,has been