AsastoppingpointonthefamousSilkRoad,Loulanisbelieved
问题详情:
As a stopping point on the famous Silk Road, Loulan is believed __________ by sandstorms from AD 200 to AD 400.
A.to be gradually covered over B.to gradually cover over
C.to have been gradually covered over D.to gradually have covered over
【回答】
C
【详解】
考查固定句式。句意:大家认为作为丝绸之路的中转点而出名的楼兰,是在公元200至400年间慢慢地被沙尘暴覆盖的。Sth./Sb. is believed to have done…“某人/某物据相信已经做了”因为这件事已经发生,先于believe发生,所以用不定式的完成式,副词置于助动词后,故选C。
知识点:固定句型
题型:选择题
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