Thegovernmentcalledoutpolicementosuppresstheriot.
A
to suppress the riot 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。
Awell-knownexampleofthelargescaledestructionofanecosystemthroughvegetationremovaltoaccommodatetouristfacilitiesisthecaseofthe_______.
______ is recognized as the national flag-carrier.
______ inns and taverns,in particular,gained a reputation for cleanliness and comfort and set the standard for accommodation in other parts of Europe.
The visiting minister expressed his satisfaction with the talks, ________ that he had enjoyed his stay here.