_____ Browns are going shopping this Saturday. They are going to buy _____usefulumbrella.

Why don’t you your TV set? You can do something less boring instead![ ]

The Sina Microblog provides a good ________for those who want to express their opinions and exchange their ideas withothers

Jack strawberries.

The astronauts were so struck by _______beauty ofnature that they took lots of pictures in _______space.