Mình cần đáp án chính sác 100% ạ Câu 1: hoàn thành các phương trình sau (nếu có) a/ Zn + HCl ... b/ MgO + HCl ... c/ K2O + H2O ... d/ AgNO3 + NaCl ... e/ NaOH + H2SO4 ...

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.