Her mother tells me that she ______ professionally since she was four
A. has been sung
B. was singing
C. is singing
D. has sung
Dùng thì hiện tại hoàn thành với trạng từ "since", vế có "since" chia thì quá khứ đơn:
Cấu trúc: S + have/ has + Ved/V3 + since + S + Ved/V2
=> Jane is a wonderful singer. Her mother tells me that she has sung professionally since she was four.
Tạm dịch: Jane là một ca sĩ tuyệt vời. Mẹ cô ấy nói với tôi rằng cô ấy đã theo ca hát chuyên nghiệp kể từ khi cô ấy bốn tuổi.
Đáp án cần chọn là: D
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