It was seven o’clock ______ I got to school this morning, _______ made our teacher very angry.
In some countries,_____ are called "public schools" are not owned by the state.
People are puzzled _____ they read the book.
We have done things we ought not to have done and_____ undone things we ought to have done.
When you write to him, please _____ him.
-- Tom works hard at English.?-- _____, and _____.