She/ sometimes/ library/ borrow/ books.7/15She/ sometimes/ library/ borrow/ books.She sometimes go to library to borrow books.She sometimes goes to library to borrow books.She is sometimes go to library to borrow books.She goes to sometimes library to borrow books.Giải thíchĐáp án đúng:B Dịch: Thỉnh thoảng cô ấy đến thư viện để mượn sách