A bartender must (　) his helpers, waiters of waitress. He must also (　) various kinds of records, such as stock control, inventory, daily sales report, purchasing report and so on.

For spirits the alcohol content is expressed in terms of proof, Which is twice the percentage figure. thus a 100-proof whisky is (　) percent alcohol by volume.

Who is the tallest, Mr. Kim, Lee, (　) Park?

(　), which looks like fine sea spray, is the Holy Grail of espresso, the beautifully tangible sign that everything has gone right.
(　) is a golden foam made up of oil and colloids, which floats atop the surface of a perfectly brewed cup of espresso.