Question

2．我過去常常步行上學，但現在我習慣于騎自行車上學．
I used towalkto school，but now I am used toridingto school．

Answer 1

分析 walk；riding．

解答 答案：walk；riding．表示過去常常結合used to用used to do sth，步行去上學，結合后面的to school，用動詞walk步行，故walk，后面是表示習慣于做某事用be used to doing sth，表示騎自行車用動詞ride，ride的動名詞是riding，故答案是walk；riding

點評 used to do 表示過去常常做某事，而現在往往不做了
i used to get up early in the morning when i was still a hight school student．
be used to doing 表示習慣于做某事
i am used to eating rice now．
be used to do表示…被用來做某事
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