The sentence that contains an adverb clause is:
He practiced throwing until his arm ached.
In this sentence, "until his arm ached" is the adverb clause, as it modifies the verb "practiced" by indicating the time frame of the action.
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He practiced throwing until his arm ached.
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Did he practice throwing today?
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His arm was aching, but he kept practicing.
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The boy who is practicing is my friend.
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1 answer
The sentence that contains an adverb clause is:
He practiced throwing until his arm ached.
In this sentence, "until his arm ached" is the adverb clause, as it modifies the verb "practiced" by indicating the time frame of the action.