Many people have donated that type of blood;however,the blood bank needs___
-----Have you been to New Zealand? -----No, I’d like to, _____.
He hurried to the booking office only______ that all the tickets had been sold out.
They urged that the library_______ open during the vacation.
The church clock began to _______ twelve.
You should make ______ a rule to leave things______ you can find them easily.