It is unwise to disturb one who is devoted to his work. Just _____.
A. face the music B. fly off the handle
C. eat your words D. bite your tongue
—That's the third time you've done that!
—Yeah, _____?
A. what of it B. what’s on
C. what about D. what for
Keep up your spirits even if you _____ fail hundreds of times.
A. must B. need
C. may D. should
To be an expert, a beginner needs to go through a series of _____ stages.
A. intermediate B. liberal
C. overall D. demanding
Men must consider eating, drinking, clothing and finding shelter _____ they can pursue entertainment and recreation.
A. until B. unless
C. before D. because
Sometimes, the kind of food we serve a person suggests _____ we show our gratitude.
A. when B. what
C. why D. how
