I. NGỮ ÂM Nguyên âm và phụ âm Exercise I: Mark the letter A, B, c or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. 1. A. honest B. hopeful C. help D. house 2. A. spreads B. explores C. escapes D. opens 3. A. breath B. meat C. teach D. beach 4. A. nation B. question C. correction D. pollution 5. A. sunrise B. slum C. sculpture D. busy 6. A. chairman B. scholar C. checkout D. speech 7. A. lose B. movie C. prove D. erode 8. A. light B. might C. pick D. sign 9. A. tongue B. done C. gone D. none 10. A. tool B. food C. good D. noodle

Nhận biết hcl naoh back2 na2so4 k dùng quỳ tím

Giải hệ phương trình {x+3y=4

{2x+5y=7

Giải phương trình x mũ 2 - 5x + 3 = 0

Choose the best answer.

I think you should buy _____  pack of mineral water instead. And you can also buy _____  snacks such as potato crisps, 3 kilos of mandarins, 2 kilos of apples, 3 bunches of bananas, ______  cookies and soft candies.

Choose the best answer.

We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

Choose the best answer.

I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.