問題詳情

IS,Cloze. Petra, in41Jordan, is a spectacular ancient city, where huge buildings and templeshave been cut out of solid rock. Its history extends back in time almost 2,000 years. Because it ishidden 42 in the mountains, for 700 years 43 people knew Petra existed. Althoughthere were rumors of a lost city in the area, no one could find it. 44 over 400 square miles, the enormous city of Petra was built in several stages. Thanks to its 45 in 1812, Petra is now a popular tourist attraction and a fantastic place to visit.
40.An apple a day ________________________ good for you.
(A) be
(B) be thought
(C) which is
(D) is thought to be

參考答案

答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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