It suddenly occurred to him________he had left his keys in the office. (2012·江西,25)
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
— What is that building? — _____ the garden equipment is stored.
— Is he said ____ his car lost? — Yes. He was so foolish ____ leave his car ____.
Whether we’ll hold the sports meet depends on the weather, _____?
I went to bed very late last night, _____, early the next morning.