Hefound_______difficulttostudymaths.
A、itA
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In1995,anaverageof_______ofdomestictravelerswentonsightseeinginChina.
______innsandtaverns,inparticular,gainedareputationforcleanlinessandcomfortandsetthestandardforaccommodationinotherpartsofEurope.
TheNetherlandsistheonlycountryinEuropewhichpermitseuthanasia,________itisnottechnicallylegalthere.
In1985,_______becamethefirstinternationalhotelcompanytoopenahotelinChinabearingitsownname.
WhichofthefollowingcountryisnotamemberofOECD?