Mệnh đề quan hệ 1. According to statistics, how many percent of serious accidents caused by the result of side impacts? 2. What do car makers do to protect occupants? 3. What makes engineers difficult in designing effective side airbags?
2 câu trả lời
1.According to statistics, how many percent of serious accidents WHICH WAS CAUSED by ____?
2. What do those whose job is making car do to protect___?
1, According to statistics, how many percent of serious accidents which was cause d by the result of side impacts?
2, What do those whose job is making car do to protect occupant?
3, What makes engineers difficult in the process of designing effective side airbags?
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