On the morning of an foggy day, Xiao Liang went to【M1】______ school as usually. He was walking along the road【M2】______ while he

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问题     On the morning of an foggy day, Xiao Liang went to【M1】______
school as usually. He was walking along the road【M2】______
while he saw a well uncovered. He thought it was【M3】______
dangerous for passer-by, so he decided to cover the well.【M4】______
The cover was such heavy that he took great trouble to【M5】______
removing it. At last he managed to cover the well. Just 【M6】______
at that time, he heard a cry of"help" coming from the【M7】______
well. To his surprising, a worker was working in the well.【M8】______
Under Xiao Liang’s help, the worker got out of the well,【M9】______
and they together cover the well properly.【M10】______
【M10】

选项

答案cover—covered

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