選擇：d
此句譯為：我想知道這個(gè)無(wú)線電廠是在多久前開(kāi)辦的.無(wú)線電廠開(kāi)辦是已經(jīng)發(fā)生的事情,故需用現(xiàn)在完成時(shí)態(tài).
b 項(xiàng)為一般現(xiàn)在時(shí)態(tài) c項(xiàng)為一般過(guò)去時(shí)態(tài) 這兩項(xiàng)時(shí)態(tài)不正確,故排除!
剩余的a和d兩項(xiàng)再來(lái)看,此兩項(xiàng)都是現(xiàn)在完成時(shí)態(tài),但工廠開(kāi)辦就只能用start
故正確選項(xiàng)為:d
I wonder how long ago this radio factory-----
I wonder how long ago this radio factory-----
a has begun b begins c began d has started
a has begun b begins c began d has started
英語(yǔ)人氣：822 ℃時(shí)間：2020-05-14 14:49:12
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