Listen! Someone ______________.
Đáp án đúng là: A. is singing
Giải thích:
Khi nghe thấy tiếng động, ta dùng thì hiện tại tiếp diễn để diễn tả hành động đang xảy ra. 'Someone' là chủ ngữ số ít, nên động từ phải chia theo số ít.
Các câu hỏi liên quan
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