2 Choose the word whose underlined part differs from the other three in pronunciation in the following question. A. announcem ent B. advertisem ent C. comm ent D. movem ent 3 Choose the correct answer to the following question. Mobile devices such as laptops or digital cameras can be charged by _______. A. solar-charges B. solar charges C. solar chargers D. solar-chargers 4 Choose the word that differs from the other three in the position of primary stress in the following question. A. different B. hospital C. magical D. computer 5 Choose the correct answer to the following question. A lot of international volunteers provide support for Vietnamese children with mental and physical __________. A. disabled B. disability C. disabilities D. disavantages 6 Choose the correct answer to the following question. J.K. Rowling"s “Harry Potter" books ________ in many countries. A. have been published B. were published C. have published D. was published