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Câu hỏi: Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.
She _______ French words for hours, but she still doesn't remember all of them.
A. has been learning
B. has been learnt
C. has learnt
D. have been learning
She _______ French words for hours, but she still doesn't remember all of them.
A. has been learning
B. has been learnt
C. has learnt
D. have been learning
Câu nhấn mạnh quá trình xảy ra của hành động, dấu hiệu "for hours" => sử dụng HTHTTD => loại B,C
Chủ ngữ là "she" => loại D
Chủ ngữ là "she" => loại D
Đáp án A.