Helen’s brothers _ in the garden while she _ the kitchen. A. had weeded - cleaned B. were weeding – was cleaning C. have been weeding – has been cleaning D. weeded – was cleanin

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Helen’s brothers _______ in the garden while she _______ the kitchen.

had weeded - cleaned

were weeding – was cleaning

have been weeding – has been cleaning

weeded – was cleaning

Giải thích

Hướng dẫn giải:

Đáp án đúng: B

Thì quá khứ đơn diễn tả 2 hành động xảy ra đồng thời cùng 1 lúc trong quá khứ, thường đi kèm với “while: trong khi”.

Dịch: Các anh trai của Helen đang làm cỏ trong vườn trong khi cô ấy đang lau dọn bếp.

Helen’s brothers _______ in the garden while she _______ the kitchen. A. had weeded - cleaned B. were weeding – was cleaning C. have been weeding – has been cleaning D. weeded – was cleanin