—Why are you so excited?
—All of us take pride ________ the successful coming back of the Shenzhou-13.
in
on
at
—Let’s go to the community if it tomorrow. —But nobody knows if it tomorrow.
He was tired go on walking.
—Do you often get online? —Yes. I lots of time on it. It’s good way to kill time.
—What do you usually do in the morning? —I often practiceEnglish.
--Thank you for your help. --___________________.