语法填空。 SHIJIAZHUANG-China diary giant Sa

题目：

语法填空。

     SHIJIAZHUANG-China diary giant Sanlu (三鹿) Group apologized to the public on Monday 1_____ its

contaminated (被污染了的) milk powder which 2_____ (sicken) 1,253 babies with kidney stones, two fatally. 

     Zhang Zhenling, Sanlu's vice president, read a letter of 3_____ (apologize) at a news briefing on Monday

afternoon here in Shijiazhuang, capital of Hebei Province, 4_____ the corporation is based.

     "The serious 5_____ (safe) accident of the Sanlu formula milk powder for infants has caused severe harm

to many sickened babies and their families. We feel really sad about this," he said 6_____ reading the letter to

reporters. 

     According to the Ministry of Health, the powder was found to contain melamine, 7_____ chemical raw

material 8_____ (believe) to cause the condition．

     It said most of the cases occurred in Hebei, Jiangsu and Gansu provinces. The two deaths were both in the

northwest Gansu Province. 

     "We solemnly declare we will recall all the infant milk powder produced prior to (在……之前) August 6,"

Zhang said. "And for those produced 9_____ that date, we will also make a recall 10_____ consumers have

doubts and worries."