Look! Some boys are playing baseball, ________ are chasing, they all have fun.
I couldn’t remember the exact date of the storm, but I knew it was ________ Sunday because we were on ________ field trip.
―It’s nice day , isn’t it?―Yes,what fine weather!
Why not go to see the dolphin show with me?-Because I _______ it.
The student didn’t go to bed ______ eleven o’clock.[ ]