Find the mistake.

A number of ASEAN students think that Bangkok is so much an exciting place to study for a degree.

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The Secretary General ______ for ASEAN in international meetings.

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The best way to ______ new friends is taking part in many extra-curriculum activities.

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Sixty ASEAN students have signed ______ the Summer Camp in Laos this year.

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Studying in a foreign country isn’t ______ difficult.

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______ did Vietnam join ASEAN?

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Jeff: __________

Rachel: My course was useful, and there was such a wide choice of topics.

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A(n) ______ is a meeting between the leaders of countries to discuss important issues.