Điền a, an, some hoặc any
31, 32. I don’t have ___ ___paper. I’ll buy __ _ when I go to the bookshop.
33, 34. Is there __ __ sugar left, Mum? – Yes, I bought __ _ yesterday.
35. Would you like ____ can of soda?
36, 37. He always has _ ___egg and __ ___loaf of bread for breakfast.
38 We are going to plant _ __trees around the schoolyard.
39. Would you like ___ ___ help?
40. Does Lan have ___ __brothers?