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are tunnelling

  • present progressive
    of tunnel.
    tunnel
    noun
    an underground passage.

Example Sentences

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See Examples For:

"But during that time your enemies are tunnelling their mine."

From The Deputy of Arcis by Katharine Prescott Wormeley

Thinks they are tunnelling an' coming up under him, I suppose.

From Hopalong Cassidy by Clarence E. Mulford

We are tunnelling into the mountains, where are the great deposits of coal. 

From The Lady of the Shroud by Bram Stoker