when he was in the junior school,he develop a habit of___a diary every morning

题目

when he was in the junior school,he develop a habit of___a diary every morning
是keep还是write?

答案

填 keeping.
of是介词,后面要用动名词.
keep a diary习惯地记日记(表状态)
write a diary 写一篇日记
既然前面有habit 习惯,就用keep a diary