B1 : when you bought that new computer a couple of years ago , you probably thought its 500-mega byte hard disk would last for ever A Certainly B Abosolutely C Possibly Generally ( Giải thích ) B2 :Phát âm khác 1 ) A Leavs B Songs C desert D Knives 2) A Chalk B Chemistry C Chapter D Approach + trọng âm 1) A Question BInvestigate C Motorcycle D Notice 2) A Comfortable B Restaurant C Informal D Special