A． know the answer to every quiz question
B． answer only interesting questions
C． know the answer to every question the teacher asks
D． know the answers to most quiz questions but maybe not the hardest one
A． they had better not to ask teachers to explain it
B． teachers may be impatient with them
C． they should ask other students for help
D． teachers would gladly explain the things to them again
A． To introduce a new type of card gam
B． To tell people how to win money in poke
C． To compare card game with doing busines
D． To explain the origin of some expression
A． Turning failure into succes
B． A winning card used at the right tim
C． The highest and most valuable car
D． Anything kept fit until neede