Travellingcallbeawonderfuladventure．Travellingbyairpla...
问题详情：Travellingcallbeawonderfuladventure．Travellingbyairplane，however，canbeverytiring．Thefollowing61_____(be)sometipstohelpreducethediscomfortofyournextlongplanetrip．Don’tpacktoomuch．It’snofun62_____(c...