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Question 21 . Even in their later years, people can _______ their horizons through lifelong learning. A. prolong B. extend C. expand D. leng...
Thuộc tài liệu:15. TỪ VỰNG NÂNG CAO CHỦ ĐỀ: LIFELONG LEARNING
Đề bài
Question 21. Even in their later years, people can _______ their horizons through lifelong learning.
A. prolong
B. extend
C. expand
D. lengthen