It often takes half an hour to take a bus.
如果你滿意我的答案,請點擊 The bus ____ usually _____ half ___hour.按照樓主格式，則為：The bus (ride) usually (takes) half (an) hour. 如果你滿意我的答案，請點擊 “選為滿意回答”，謝謝！