Để trung hòa 250 ml dung dịch NaOH 1M bằng dung dịch HCl 1,25 M. Thể tích dung dịch HCl cần dùng là (Cho H=1; O=16; Na=23; Cl=35,5) a. 400 ml b. 100 ml c. 150 ml d. 200 ml

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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.

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We should decorate our living room with _____ orange banner. We also need ________  ribbons, balloons, party hats and costume.

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I think that ______ cauliflower is not enough for 3 people. Let’s buy one more.