I'll send for ______ from the maintenance department.
A. an electronic
B. an electrician
C. electrician
D. electronics
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Let me pinch your nose to stop ______.
A. bleeding
B. the bleeding
C. bleed
D. the bleed
They'll also teach disaster _____ and first-aid to other employees and tourists.
A. preventing
B. prevention
C. prevents
D. preventions
It's very ____ here, so do go out for some fresh air.
A. stuff
B. stuffs
C. stuffing
D. stuffy
It's hard for him to keep ______ since he had drunk so much.
A. perpendicular
B. perpendicula
C. perpendiculate
D. perpendiculars