单项选择题Many of Chile' s tourists used to come from EXCEPT______.
单项选择题Chile is disadvantaged in the promotion of its tourism by ______.
单项选择题According to the author, Chile' s greatest attraction is ______.
单项选择题The objection to the development of Chile' s tourism might be all EXCEPT that it ______.
单项选择题According to the passage, in WHICH area improvement is already under way