Science is more than a collection of unrelated facts; to be meaningful and valuable,________ must be arranged to show generalized character.

 --How is_______ going with you?　　　-- So so.

This poem can remind of the good old days___ studied in this beautiful school.

—A lovely day, isn't it?—Yes. I love ________ when the weather is like this. Why not go out for a walk?

I felt so bad all day yesterday that I decided this morning I couldn’t face ________ day like that.