Đề kiểm tra giữa kì 2 Tiếng anh 12 năm 2023 có đáp án (Đề 14)

He learned English for three years. Then he moved to London.

40/40

He learned English for three years. Then he moved to London.

After he had moved to London, he learned English for three years

By the time he moved to London, he had learned English for three years

After he moved to London, he had learned English for three years

By the time he had moved to London, he learned English for three years

Giải thích

Chọn B