Whatismostimportantwhenlaunchingnewproducts,flankerbrandsextensionsofwell-knownbrands,orinfrequentlypurchasedbrands;orgoingafteranundefinedtargetmarket.（）
Thespeed____Tomdriveshiscaristoohigh.
Mrs.Londonhas____thatsheisunabletogetajob.
"Thelecturerwasatallthinmanwithwhitehair.""Thenit_______Dr.Fellbecauseheisshortandfat.It_____Dr.Jones;heisthin."
ThetermCFRshouldbefollowedby_____.
