CHỌN ĐÁP ÁN ĐÚNG NHẤT
28. By the end of next year, George _______ English for two years.
A. will have learned
B. will learn
C. has learned
D. would learn
28. By the end of next year, George _______ English for two years.
A. will have learned
B. will learn
C. has learned
D. would learn