—Has Mr. Black decided not to take part in the party? —Yes. But the reason______he refused the invitation is not clear.
_______ you are alone with her, tell her that you like her.
After the war, a new school building was put up ______ there had once been a theatre.
The famous scientist grew up _______ he was born and in 1930 he came to Shanghai.
She found her calculator _______ she lost it.
You should make it a rule to leave things _______ you can find them again.