Giúp em với ạ Exercise 2. Give the correct form of the word in brackets. 1) We need to find a __________ to the problem as soon as possible. (solve) 2) Juan speaks English fluently and makes very few __________ mistakes. (grammar) 3) The teacher keeps a record of every student's __________ . (attend) 4) Air-conditioning is a ___________ if you live somewhere like the south of Spain. (necessary) 5) Don't be afraid of the dog. He's absolutely __________ . (harm) 6) The company is trying hard to improve customer __________ . (satisfy) 7) Measures were taken around the world to __________ airport security after the 11 September attacks. (tight) 8) We're going to change our suppliers as they have become very __________ in the last year. (rely) 9) Patricia's very __________ . She writes short stories, paints and makes mosaics. (create) 10) We need your __________ at the bottom of the page. (sign) Exercise 3. Give the correct form of the words in bracket. 1) The index at the back of the book is in __________ order. (alphabet) 2) The fans waved __________ as the film star stepped out of the limousine. (excite) 3) Chickenpox is a highly __________ disease which many people catch as a child. (infect) 4) Matt is very __________ . He wants to be number one at everything. (compete) 5) Harry loves cars and he's so __________ about them. (knowledge) 6) There is little __________ of the president being re-elected. (likely) 7) The prime minister thinks there may be a __________ to overthrow him. (conspire) 8) In __________ with Tokyo, London and Paris are relatively cheap. (compare) 9) The police were unable to __________ that she had committed the crime. (proof) 10) The president's speech went on for so long that I almost died of __________ ! (bore)