has been taught是被教还是已教了?

has been taught是被教还是已教了? It ____many times on the radio.A taught B has taught C is taught D has been taught this english song < >many times on the radio A taught B has C is taught D has been taught Mr Smith ___ at this school since he ___ to Zhuhai.A:has been taught; came B:has taught; has comeC:has been teaching; has come D:has been teaching; came为什么选D?has been teaching是什么时态? -Can you sing this English song?-Of course,i can.It _many times on the radio.这道题考查的是哪种题型?A、taught B、has taught C、is taught D、has been taught students' grasp of what has been taught这句话 为什么what 前面要用OF My father has taught English for ten years My father has been teaching English for ten yearsMy father has taught English for ten yearsMy father has been teaching English for ten years都对吗? Miss Gao___this school since 1996.a.has come to b.came to c.bas been in d.has taught Miss Gao___this school since 1996.a.has come to b.came to c.bas been in d.has taught He has taught here since 1981与He has been teaching here since 1981有什么区别啊? --Is your father a teacher of English in the NO.1 Middle School?---No!But he ___English there for ten years.A.has taught B.has been teaching C.taught D.had taught为什么不选B? --Is your father a teacher of English in the NO.1 Middle School?---No!But he ___English there for ten years.A.has taught B.has been teaching C.taught D.had taught　答案是C为什么不选B? Robert ____english in this school since he came to Beijing.A teaches B taught C has been taughtD has been teaching选哪个,为什么? have been done和 have done什么区别?English has been taught in China for many years.(中国教英语已经多年.)有没有been?为什么? I have never heard this song ( ) over the radio.a.has taughtb.taughtc.is teachingd.was been taught _ children should be taught to deal with money intelligently has been widely accepted amongparents.(whether;that;what;as) Mr Smith __________ at this school since he ________ Xiamen .A.has been teach,came B.has been teaching,came C.taught,came D.has been teaching,has come Where has your cousin_____?gone还是been