giúp em với ạ,em cần gấp Trong các nhóm chất sau, nhóm gồm tất cả các muối được dùng làm phân đạm là A.NH 4 NO 3 , CO(NH 2 ) 2 , KCl. B.NH 4 NO 3 , CO(NH 2 ) 2 , NH 4 Cl. C.KCl, NH 4 NO 3 , NaCl. D.KCl, Ca 3 (PO 4 ) 2 , CO(NH 2 ) 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.