102 câu trắc nghiệm Thì quá khứ tiếp diễn (Past Continuous) có đáp án
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Denise _______ the song every day until she could sing it perfectly.

88/102

Denise _______ the song every day until she could sing it perfectly.

practised

was practising

has practised

has been practising

Giải thích

Chọn đáp án: A