21. The first city in the United States that (put) into effect major (plan) for (the clustering) of government (buildings)was Washington.
29. The (initial discovery) by humans almost 10000 years ago that they could exploit (metallic mineral) deposits was (an important) milestone in the (development civilization).
21. The first city in the United States that (put) into effect major (plan) for (the clustering) of government (buildings)was Washington.
"plan" should be "plans".
29. The (initial discovery) by humans almost 10000 years ago that they could exploit (metallic mineral) deposits was (an important) milestone in the (development civilization).
"development civilization" should be "civilization development".
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发表于 2003-11-2 00:29:00
