A. worry B. throng C. on guard D. joke A. appearance B. meow C. adding machine D. luckily A. motorbike B. roller-blading C. gift D. complicated A. anything B. bargain C. cheer up D. all kinds of A. blueprint B. accident C. a piece of D. grow A. say thanks to B. sun C. reunion D. disease A. diverse B. store C. fame D. be interested in A. I can't wait B. friend C. pleasantly D. guide A. rectangle B. consumer C. do shopping D. farmer A. pick B. novelist C. deck D. window