Ngày tải lên :
19/12/2012, 16:02
... to the
A. digestion of the food
B. conversion of the sugar
C. production of the acid
D. dissolution of the enamel
5. The last sentence means that toothache is a condition which is often ... giản)
- Economics, Finance, Banking, Accounting and Auditing, Taxation, Insurance,
Business, Marketing, Financial markets.
- Personal identification
- House and home
- Life at home
- Education and ... emphatic: myself, etc
- Impersonal: it, there
- Demonstrative: this, that, these those
- Quantitative: one, something, everybody, etc
- Indefinite: some, any, something, one, etc
- Relative: who,...