[单选题]In 1981 the WTO has urged national tourism organizations ______ foreign nationals in their country as domestic travelers.
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2023-10-01 08:01:10
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[单选题]In 1981 the WTO has urged national tourism organizations ______ foreign nationals in their country as domestic travelers.

A.to include
B.included
C.not to include
D.including
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国家开放大学

形成性考核

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