Question

My mother used to ______ what she did every day.

A．writing down

B．write down

C．wrote down

D．be written down

Answer 1

B

试题分析：句意:我妈妈过去常常把她每天做的事情写下来。used to 的意思是过去常常做某事，后面应该跟动词的原形，故选B。be used to 后跟动词的ing形式，表示习惯于某事。