When the American constitution ______into effect in 1789,it didn’t contain any words guaranteeing the basic rights of ordinary citizens.
A．wentB．had goneC．has goneD．was going
A
：本題前半部分中有明確的時(shí)間狀語(yǔ)in 1789，表明在過(guò)去某個(gè)時(shí)間發(fā)生了某事，并非表示在過(guò)去的過(guò)去發(fā)生了某事，故排除B項(xiàng)；go into effect為結(jié)束性動(dòng)詞，不宜用進(jìn)行時(shí)態(tài)。B項(xiàng)為現(xiàn)在完成時(shí)，不與表過(guò)去的時(shí)間狀語(yǔ)連用。
【標(biāo)簽】動(dòng)詞時(shí)態(tài)
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