Whoistheman____(你刚才在操场和他握手)?
Youcantakeanyseat____isfree.
Sitbackandreflecton______itisthatyoudobestandwhatyouenjoy.
Whatismostimportantwhenlaunchingnewproducts,flankerbrandsextensionsofwell-knownbrands,orinfrequentlypurchasedbrands;orgoingafteranundefinedtargetmarket.（）
We thank you for your letter of May 27 and the _____ illustrated catalogue.
