Choose the correct word. 1 Don't divide your ..... between too many activities, otherwise you will forget what you're doing. a) attention b) knowledge c) concentration 2 I heard it through the ..... that Jerry was accepted into Oxford University. a) headlines b) grapevine c) news 3 Sophie Raworth is the ..... on the six o'clock news. a) host b) newsreader c) presenter 4 People use the Internet to ..... online with their friends. a) talk b) chat c) write 5 When British students are sixteen, they must sit their GCSE ..... a) exams b) tests c) certificates