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  • To make sure the bridge and tunnel are structurally sound, they are ....... being constantly checked and*^*serviced.*^*

To make sure the bridge and tunnel are structurally sound, they are ....... being constantly checked and*^*serviced.*^*

  • A.mostly
  • B.momentarily
  • C.mandatorily
  • D.mainly
Answer and Explain
Answer: C. mandatorily

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