InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
________hehasmanyfriends,heisoftenfeelinglonely.
Touristexpenditureshavedifferenteffectsonadestinationeconomy:salesbyfoodvendorstorestaurantsare_______effect;whiletaxifaresandairlineticketsalesare_______effect.
Thelittlehandsofthechildclosedroundthesoldier?sfinger______themotherlookedupinhisfacewithmaternalpleasure.