答案：【This is my first visit to Australia.】
【很荣幸能帮你解答这道题】
【为了你宝贵的学习时间,我们将以最简略的方式为你解答】fly to be sure to havedo the houseworkbe free listen to ( )you （）tomorrow？we are going to climb the mountain. we （ ）a good time.填空【Are】 you【 free】 tomorrow?We 【are sure to have】 a good time