The government called out policemen to suppress the riot.
A
tosuppresstheriot在句子中是作目的状语，表示“警察来是镇压动乱的”，所以答案为A。
In1985,_______becamethefirstinternationalhotelcompanytoopenahotelinChinabearingitsownname.
Hefound_______difficulttostudymaths.
It_______fortwohoursnow
Shewas________beunabletospeak
In1995,anaverageof_______ofdomestictravelerswentonsightseeinginChina.
