Câu hỏi:

20/07/2024 685

I………………a research since last week. I will finish it this Friday.

A. have studied


B. have been studying


Đáp án chính xác

C. are studying


D. study


Trả lời:

verified Giải bởi Vietjack

Đáp án đúng: B

Giải thích

Thì hiện tại hoàn thành tiếp diễn diễn tả hành động bắt đầu ở quá khứ và còn đang tiếp tục ở hiện tại (nhấn mạnh tính liên tục).

Cấu trúc: S + have/has been Ving

Dịch: Tôi đã làm bài nghiên cứu từ tuần trước. Tôi sẽ hoàn thành nó vào thứ 6 này.

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