Choose the best answer to fill in the blank.
The floor ________ when I arrived.
-
A.
has been cleaned
-
B.
is being cleaned
-
C.
was cleaned
-
D.
was being cleaned
Trong câu cần sử dụng sự hòa hợp giữa 2 thì là quá khứ đơn và quá khứ tiếp diễn để diễn tả hành động đang diễn ra trong quá khứ thì có 1 hành động khác chen ngang.
=> “Someone” was cleaning the floor when I arrived.
=> The floor was being cleaned when I arrived.
Tạm dịch: Khi tôi đến thì sàn nhà đang được lau.
Đáp án : D
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