Travellingcallbeawonderfuladventure．Travellingbyairpla...
問題詳情：Travellingcallbeawonderfuladventure．Travellingbyairplane，however，canbeverytiring．Thefollowing61_____(be)sometipstohelpreducethediscomfortofyournextlongplanetrip．Don’tpacktoomuch．It’snofun62_____(c...