Bộ 8 Đề thi giữa học kì 1 Tiếng anh 11 có đáp án - Đề 2

When! I arrive/ lecture/ already start/ professor/ write/ overhead projector//

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When! I arrive/ lecture/ already start/ professor/ write/ overhead projector//

When I arrived the lecture already started and the professor wrote the overhead projector.

When I arrived lecture had already started 'and professor wrote the overhead projector.

When I arrived the lecture had already started and the professor was writing on the overhead projector.

When I arrived the lecture had already started and the professor had writing on the overhead projector.

Giải thích

Chọn đáp án C