There is a big dog_______to a fence outside the house.
Don’t just sit there ________ your legs; come and help me carry the box upstairs.
_____ to sunlight for too much time will do harm to one’s skin.
—What clothes should we wear to attend the ball?—Dress ________ you like.
How many nationalities ______ our country ______?
—The 3D cinema provides a brand new experience of ________ space.—Yes. You can even take ________ journey to the end of the solar system.