For each of them there are four choices marked A, B, C and D. You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the centre.
每题都有对应标记的A、B、C和D四个选项,请选择最佳选项并在答题卡2的相应字母中间划横线。
B:不用,我们填工时表。
Today, B&J specializes in welding, machine parts and precision sheet metal work.
如今,B&J公司专门从事焊接、机械零件和精密钣金业务。
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