_______ Sunday morning I did homework ______ my friends.
--Wow, so many new buildings! But it used to be a poor village. --Yes, ___ has changed in our hometown.
Don't go out ___ the rain stops. Otherwise, you'll get wet!
The librarian told me that I could ___ these magazines for three days.
___ great fun we had in Yandu Park last Sunday!
This photo reminded the old man ___ the days when he was young.