問題詳情

The Great Wall of China is known to be over 1900 kilometers long, _____16_____ it by far the longest wallin the world. If it were laid out in a straight line, it _____17_____ 6500 kilometers—as it has many bends andcurves. The building of the wall _____18_____ begun in the third century B.C. by the Emperor Shih Huangti.The reason it was built was to keep the Huns out of Central Asia. Over the centuries, it _____19_____ addedto, rebuilt and repaired. Not only _____20_____ one of the greatest creations of mankind, but it is also theonly man-made structure visible from space.
16.
(A) and makes
(B) to make
(C) making
(D) that makes

參考答案

答案：C
難度：適中0.666667
統計：A(7),B(3),C(32),D(5),E(0)

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