–I _____ an “A” in the test!–Good job! Keep it up!
— Did you take enough money with you? — Yes, but I spent _______ I had expected.
Bad habits, ____formed, are difficult, and sometimes impossible to shake off.
Only when you leave your parents for college education _______ how much you love them.
The cause he had devoted himself to _______ a perfect success.
Many experts believe that teachers’ development is _____ the key to better education lies.