Trong các hàm số sau, hàm số nào là hàm số bậc nhất? A. $y=\frac{1}{x}+3$ B. $y=3x^{2}-1$ C. y = 0x + 2 D. $y=x+\sqrt{2}$

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.