The girl was lucky enough to _______ the bad men and ran away.
A、breakawayB
breakaway：脱离，逃离，逃走。符合句意。介词from与后面的thebadmen连接。breakout：爆发。breakinto：闯入，潜入，破门而入。
Bythemiddleofthe21stcentury,thevastmajorityoftheworld’spopulationwillbelivingincities_______inthecountry.
_______inthought,healmostranintothecarinfrontofhim.
Hefound_______difficulttostudymaths.
_______hegoes,shewillgo,andshenevercares_______happens.
NeitherEnglishnorChinese________difficulttolearn.
