Câu 7 Cho phương trình hoá học sau : ?H2SO4 (đặc, nóng) + ?Cu ->?CuSO4 + ?SO2 + ?H2O Hệ số thích hợp đặt vào dấu chấm hỏi trong phương trình hoá học trên lần lượt là A. 2, 1, 1, 1, 2. B. 2, 2, 1, 1, 1 C. 2, 2, 1, 1, 2. D. 1, 2, 1, 1, 1

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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.

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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.