Most people like working with Tom because he always does his work (more responsibly / responsibler / more responsible) than others.
Most people like working with Tom because he always does his work (more responsibly / responsibler / more responsible) than others.
"Responsibly" là trạng từ → dùng "more" + trạng từ.
Dịch: Hầu hết mọi người thích làm việc với Tom vì anh ấy luôn làm việc có trách nhiệm hơn người khác.