A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".
Though he worked hard, but he failed.
Use of "but" here is wrong cause Though is followed by ‘yet’. When though / although / even though is used with a verb, which is in the subjunctive mood, mainly expressing doubt, a condition contrary to a fact, a wish, or a concession, it should be followed by yet. Yet actually means still.
Hence B
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