Steven felt unwell, but he went on working.2/19Steven felt unwell, but he went on working.Though he felt unwell, but Steven went on working.In spite of feeling unwell, Steven went on working.Steven went on working despite he felt unwell.Steven went on working although feeling unwell.Giải thíchĐáp án đúng: B Dịch: Mặc dù cảm thấy không khỏe, Steven vẫn làm việc.