My sister has been dancing for 10 years,(改为同义句)____ ____10 years ____ my sister ____ ____ dance.

My sister has been working ()western China since graduated.A:at B:in C:on D She has been _____North City Park three times with my sister.A.on B.in C.about D.to 21.my sister has been studying for a test____a week.A.in B.since C.before D.for My sister (together)with my partents__invited to the concent.(A)was (B)were (C)has (D)have been选择哪一个,为什么,谢谢 my sister has never been to america i haven't neither（　）　（　）my sister and me has been to American句型转换是my sister has never been to america i haven't either My sister has been dancing for 10 years,(改为同义句)____ ____10 years ____ my sister ____ ____ dance. My sister wants to work in the factory which ___ still ___ .A .is ; building B.has ;been built C.is ;being built D.is ;to be built My sister has been working in that factory ever ______ it was set up.A since B.but C.again D.not my sister has been staying in beijing for three months.这是什么时态,翻译 My sister has been working for this firm 与My sister has already worked for this firm是一样的吗? has married和has been married有什么不同?具体的用法是怎样?My sister has been married for 5 years.My sister has married. Don't disturb.分别是什么意思？ .My host sister Brooke and I ______ in the same grade and we spend a lot of time together.A.am B.are C.has been D.have been my father__Shanghai twice.a.has been to b.has been in c.has gone to d.has gone in 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 my sister _______(stay)in Beijing for three months last year为什么用stayed不用has been staying my sister has been working in a company ___computers after graduation.为什么用selling 不用to sell My mother____college for over three year.A has been to B has been in C has gone to D has been at It has been in my