54._________A.use B.devote C.spend D.take

The best title for the passage may be ______.A．Use Humor EffectivelyB．Various Kinds of Hum

54._________A. accurateB. modelC. preciseD. ideal

54._________A. stylesB. patternsC. labelsD. models

54._________A. feelB. lookC. soundD. work

54._________A. ofB. atC. forD. to

54._________A.. exciteB. excitinglyC. excitingD.