Ở đậu hà lan , hoa đỏ là trội so với hoa trắng .Cho hoa đỏ thuần chủng lai với hoa trắng thu được F1. Cho F1 tự thu phấn thu được F2. Hãy xác định kết quả ở F1,F2.

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.