A.did you study B.do you study C.have you studied D.had you studied為什么選A，不能選其它三個(gè)？
熱心網(wǎng)友
問的是以前的情況,所以選A
熱心網(wǎng)友
How many years ago 有ago用一般過去時(shí) 如果是how many years 則用have you learned English (還原成陳述句 則是 I have learned English for three years )
熱心網(wǎng)友
How many years ago 顯然該用一般過去時(shí)
熱心網(wǎng)友
ago通常用于一般過去時(shí)，因此選A