问题补充:
单选题I___inNorthChina,butnowI___theweatherinSouthChina.A.used to live, am used toB.used to living ; used toC.was used to living; am used toD.used to live; uesd to
答案:
A解析used to do sth.意为:过去常常; be used to doing sth.意为:习惯于做某事.
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