用所给单词的适当形式填空。 March 3rd, 1866, Powell _ (ride) his horse down the mountain toward the valley. _ (be) very busy these days since my husband _ (go) abroad for his two-year study. s radio stations _ (lose) tens of thousands of listeners last year. Zhe _ (grow) up in Changchun, the capital of Jilin Province, located in northeast China. 5. The photos _ (take) many years ago _ (lose) last week. had the match _ (begin)