{{B}}pAssAgE onE quEstions 26 to 28 ArE BAsED on thE pAssAgE you hAvE just hEArD、{{/B}}

A．in orDEr to CArry out morE importAnt DutiEs.
B．so thAt thE workErs will mAkE lEss mistAkEs.
C．so thAt thE workErs will proviDE ExtrA EnErgy.
D．in orDEr to kEEp thEm AwAkE During work timE.