The opportunity for give and take can only happen when there is \_\_\_\_ trust and understanding. III. Cloze Test (16-35 題，共 20 題) Australia fully reopened its international borders to travelers vaccinated \_16\_ the coronavirus after nearly two years of pandemic-related closings as tourists returned and hundreds of people were reunited with family and friends. Australia closed its borders to almost everyone except citizens and residents in March 2020 \_17\_ to slow surging COVID-19 case numbers. Tourism is one of Australia's biggest industries, worth more than A$60 billion ($43 billion) and \_18\_ about 5% of the country's workforce. But the sector was crippled after the government shut its borders in March 2020. 19 a champion of COVID-suppression strategy, Australia has shifted away from its fortress-style controls and relentless lockdowns since late last year and began living 20 the virus after reaching higher vaccination levels. Skilled migrants, international students, and backpackers have been allowed to fly into Australia since November in a staggered reopening exercise.