Add the appropriate modal may, should, must, or shall to the blanks.

  • Add the appropriate modal may, should, must, or shall to the blanks.

    1. Researchers concluded that gas stove ____ be used without adequate ventilation.2.Cold-box temperatures in the specified refrigeration unit ____ be between - 40 F and-80 F. 3.For an exact description of the cost calculations, the reader ____ consult the appendix. 4.Metallic sodium ____ be allowed to come into contact with water; otherwise, it will react violently. 5.Patients with acute renal failure ____ be given both antibiotics and intravenous and urinary catheters, since dialysis alone will not reduce this complication. 6.It ____ be noted that the deflection of the light ray is a measure of the average density gradient integrated over the X coordinates. 7.Vertical bracing ____ be so arranged that the entire width of all walkway areas has a minimum clear vertical opening of seven feet

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  • 1. may
    2. shall
    3. should
    4. may
    5. must
    6. must
    7. must