It was ______ the second-hand car that the mechanic spent the whole afternoon in the factory.

_______ is not the story itself but the lovely characters in it _______ make children interested in the cartoon.

 It is not where you graduated but ________ you have the ability to work out problems ________ counts.

It is not until midnight ______ he goes to bed every day.

—Do you know　　　they got to know each other? —It was last year　　　they both taught Chinese in Scotland.