cho hôn hợp A gồm CH4 vào C2H4 lội qua dung dịch Br2 o,1 M đến khi phản ứng hoàn toàn ( trong A hai khí có số mol bằng nhau) a) viết PTHH b, tính thể tích dung dịch Br2 đã phản ứng

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.