... Two B Second C Twice D Double A programs B people C students D typewriters A programs B reasons C games D computers A work B have worked C are working D worked A to think B thinking C for thinking... it was so cold, he went out without an overcoat (Although/ Since) PHẦN C: Đ C HIỂU ( 3.0 điểm ) I Chọn từ thích hợp điền vào chỗ trống để hoàn thành đoạn văn sau and understanding subjects know... are programs for scientific studies Third, some programs are like fancy typewriters They are often used by writers and business people Other (2) _are made for courses in schools and universities