题目内容：

Our teacher used to go to work by bike.
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等于:A.went to work by bike before
B.was used to going to work by bike
C.used a bike to work
D.like a bike

优质解答

A对 表示老师过去习惯于骑车子去上班
B.was used to going to work by bike
be used to doing sth 现在习惯于 也可以说be used to sth 这里的TO 是介词 所以后面是doing或者sth
C.used a bike to work
老师过去用自行车去上班
D.like a bike 老师喜欢自行车