Dung dịch H2SO4 loãng, khí SO2 đều tác dụng với: A. Ca(OH)2, Ba(OH)2, Fe(OH)3 , KOH B.Cu(OH)2, Ba(OH)2, Zn(OH)2 , KOH C. Ca(OH)2, Fe(OH)3, NaOH, KOH D.Ca(OH)2, Ba(OH)2, NaOH, KOH

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.