Cho biểu thức A = $\frac{\sqrt{a}+1}{\sqrt{a}-3}$ và B = $\frac{2\sqrt{a}}{\sqrt{a}+3}$ - $\frac{\sqrt{a}}{3-\sqrt{a}}$ - $\frac{3a+3}{a-9}$ - Rút gọn biểu thức P = $\frac{A}{B}$

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.