Choose the option that best complete the gap. The guard spent all the night pacing _____.
The correct answer is: A
Explanation
To and fro as is both a noun, verb and an adverb. It means a constant movement backwards and forwards or from side to side. constant movement backwards and forwards. Example "she cradled him, rocking him to and fro"
synonyms: from place to place ยท around ยท about ยท to and fro ยท hither and thither ยท
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