36.B ( Sau enjoy + V-ing ) 

37.B (Gifts = Những món quà)

38.C (Dress up = thay quần áo)

39.A (Sing = Hát)
40.B (Fireplace = bếp sưởi)

Choose the the best option to fill in the blanks Christmas is my favorite holiday. I enjoy (36) ……. Christmas cookies and planning parties. I sending cards and hearing from old friends. I love seeing children open their (37) ……on Christmas morning. Most of all, I love one special custom that we have in our family. On the night before Christmas we (38) ….. in warm clothing and go from house to house in our neighborhood. At each house, we (39) …... Christmas songs. Then we go to a hospital or a home for elderly people and we sing there. We want to let people know that we care about them. Afterward, we come home and drink hot chocolate by the (40) ….. I love this!                                                          6. A. bake   B. baking    C. to bake    D. baked                                                                                         7. A. presents    B .gifts    C. offers    D. Both A and B                                                                             8. A. wear   B. put on   C. dress up    D. get                                                                                             9.  A. sing   B. shout   C. cry   D. speak                                                                                                      10. A. fireworks    B. fireplace   C. light   D. firecrackers