Chiếu một tia sáng từ không khí vào nước với góc tới là 60°. Kết quả nằm trong khoảng nào sẽ hợp lý? Giải thích?

You are happy because you know you .......(go) to the college in September and your body can't hide it.

Sử dụng the simple present or the present progressive.

-Giải thích luôn tại sao không dùng thì kia nha.

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.