43. My teacher is very                                                 _________. She never smiles in her lessons.       A . serious                    B . confident                      C . reliable                    D . responsible 44. You need to be _________ to teach children.A. shy      B . patient                      C. volunteer                D. sporty 45. We are all _________ about the people who live in that villa.       A . freedom-loving      B . independent                 C. curious                    D . friendly 46. I don’t like his _________. He’s too serious and competitive.       A. finger                      B . elbow                            C . personality              D .leg 47. Mr. Lam was _________ of his parents when he was just 16 years old.       A . independent           B . caring                            C. shoulders                D . sensitive 48. My mother is _________ to everyone. She loves helping others.       A. funny                      B . boring                           C . kind                        D. fur 49. Don’t worry. He is a _________ person. He can help you.A. funnyB . reliable   C. sensitive      D . tail 50. The school year in Viet Nam starts ________ September 5th.A . in         B . on   C . at                D . since