2、Russia.A.atB.byC.inD.on3.Tom’sunclehasdevoted_________tocharitysincehecametoChina20yearsago.A.heB.himC.hisD.himself4.IthinkwatchingTVeveryeveningisawasteoftime.Thereare_________meaningfulthingstodo.A. lessB. moreC. the leastD. the most5.—Doesyourgrandpaoftenwalkthedogaftersupper?—Yes,_____