1.It is (荒唐) that John wants to make academic progress but never devotes any time to it.
2.The result was that the engine ended up at the bottom of the (运河).
3.The Great Wall of China is one of the largest man-made (建筑) ever built.
4.Sean’s strong love of his country is reflected in his recently published (诗歌).
5.These activities might seem childish and cause laughter, in reality they require (巨大的) amounts of strength and determination.
6. Standing on the top of the hill is an ancient temple d back to the 17th century.
7.A small plane c into a hillside five miles east of the city, killing all the people on board.
8.The news that he was admitted to a key university r his parents’ trouble.
9.O carefully if any change occurs when doing experiments in the lab.
10.As nobody here knows what is wrong with the machine, we must send for an e to handle the problem.
答案 1.ridiculous 2.canal 3.structures4.poems 5. enormous 6.dating 7.crashed
8.removed 9.Observe 10.engineer