单项选择题
A. Talk to another friend. B. Take Carla’s suggestion. C. See the same doctor again. D. Stay in bed until Friday.
A. Workers may be more cheerful and energetic. B. More errors and accidents will occur. C. There is no difference at all. D.They will be more active and curious.
A.Fishing industry. B. Mining industry. C. Construction industry. D.Medical industry.