Fiona has been typing the report for an hour. A. It took Fiona an hour to type the report. B. It is an hour since Fiona started typing the report. C. Fiona finished the report an hour ag

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Fiona has been typing the report for anhour.

It took Fiona an hour to type the report.

It is an hour since Fiona started typing the report.

Fiona finished the report an hour ago.

Fiona will finish typing the report in an hour.

Giải thích

Đáp án B

Fiona đã gõ báo cáo này khoảng 1 giờ đồng hồ. = Nó đã được gần 1 giờ đồng hồ kể từ khi

Fiona bắt đầu gõ báo cáo này.