根据句意及汉语提示，补全单词

1. The flight landed at the airport            (安全地).

2. When he saw the accident, he ran to see it            (立即).

3. Was the girl            (咬) by the dog?

4. My car             (出故障) half the way.

5. I went to the Smith's             (诊所), but he wasn't in.

管式炉法测定硫含量，其试样首先应该通入空气，温度在900～950℃条件下燃烧。