3. Facebook was built on the of earlier social network sites like MySpace and Bebo. A. succeed B. successful C. successfully D. success 4.She said she __________ to the Moon when she had enough money. A.travelled B.to travel C.would travel 5.I intended __________ to New York next month. A.flew B.to fly C.fly 6.Alexander Graham Bell was a great ___________, who invented the telephone. A.developer B.conservationist C.scientist D.explorer 7.If you __________ something, you should patent it as quickly as possible. A.invented B.will invent C.have invented D.are inventing 8.___________ systems use several different ways of giving information with sounds, pictures, and texts on a screen. A.Emailing B.Telephoning C.Multimedia D.Chatting