晨昏线在地球上( ):
Whenever I met him, _____ was fairly often, I like his sweet and hopeful smile.
All of us still remember the terrible earthquake that Tangshan twenty years ago.
The College Entrance Examination near, so you should be prepared for it.
— What is that building?— _____ the garden equipment is stored.
— Is he said ____ his car lost?— Yes. He was so foolish ____ leave his car ____.