一、语法填空(根据课文内容、依据语法规则完成下面短文）
Strange things happened 1________ Tangshan Earthquake happened. The well walls had deep cracks. A 2________ (smell) gas came out of them. The water pipes cracked and burst. At 3:42 3________ the morning of July 28, 1976, everything began to shake. 4________ seemed as if the world was at an end. Steam burst from holes in the ground. Hard hills of rock became rivers of dirt. Soon the whole city lay in 5________ (ruin). Many people died or were 6________ (injure).
