While _______ driver’s licenses in China, new car drivers will have to fill out a body part donation form, which is _______ for some drivers-to-be.

---- I was warned to keep quiet about the case on court unless _______.
---- So you mean you will do everything _______ then?

Has the boy who was made use of _______ realized the mistake?

Although the huge engine, as tall as 25 meters, is heavy_______, it is powerful and works well.

Some people haven’t realized something as common as _______to the sun for a long time will do harm to their skin and even cause skin cancer.

When his mother came home, he pretended       sound.

Our English teacher is      . He always kept us      in class.

He is so humorous that he had us       all through the meal.

The bridge _________2,000 meters long was designed by Frank.

She became fatter and fatter, so the doctor advised her _____________.