Mrs.Smith finds it hard to clear up the mess,as her children are always ________ whenever she tries to. (2013·福建,29)
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.
Many people say______ is shown on television.