Choose suitable words below in their proper forms to complete the short passage.
Source, persuade, topic, stubborn, insist, altitude, Vietnam (Vietnam’s), Tibet (Tibetan), attitude,
Where to travel for the National Holidays has been the only _____ of conversation for weeks. All of us want to go to the beach in Hainan, but Xiaoliang _______on going to _______. He said he wants to know how he will feel at an ________ of 4,000meters in ________ plateau! We have been trying to _______ him, however, he is as _________ as a mule. I think we will be soon persuaded by him.
topic
insists
Tibet
Tibetan
altitude
persuade
stubborn
Tibetan Plateau
Potala palace
the Lancang River