33. Milk is used for making butter and cheese.
34. He told me if I would sign the certificate for him.
35. I have lived in this house since 2009.
36. My sister is the same age as his younger brother.
37. It is very interesting to have a vacation abroad.
38. The woman sitting next to the window is Mrs Thanh.
II.
39. Christmas is an important festival in many countries around the world.
40. The Robinson family is making preparations for Tet.
