He was feeling bad. He went to work, _____ , and tried to concentrate

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Mark the letter A, B, Cor D on your answer sheet to indicate the correct answer to each of the following questions

He was feeling bad. He went to work, _____ , and tried to concentrate.

however

although

therefore

but

Giải thích

Đáp án A.

“however”: tuy nhiên He was feeling bad. He went to work, however , and tried to concentrate: Anh ta cảm thấy tệ.

Tuy nhiên, Anh ta đã đi làm việc và cố gắng tập trung.