Why does he thinks it is exciting?为什么要用Why

why is Tim finding this trip exciting中的exciting为什么要加ing? What is inflation? Why does it happen? 同义句转换1.Why does he keep laughing?Why is he laughing ___ ___ Why is Tim finding this trip exciting? why does he like math? why it is 还是why is it “why” what does it means? 回答It' s so hot in summer,but why does he like summer?要求用Beca OB英语What is stereotyping and why does it occur why is he doing Why is he scared? why is he crying?