Mark the letter A, B. C or D to indicate the underlined part that needs correction in each of the following questions.

Câu 40. The girl sat next to me on the plane is a very well-known Kpop singer.

                A          B                                         C                    D

Câu 41. I haven’t seen Martin since we graduate from the university in 2001
                    A                             B               C                                       D

Câu 42. The movie was so bored that all the audience had gone home before it ended.

                                                A                      B                               C                     D

Câu 43. Bccausce of Jack was afraid of being late, he had to skip breakfast this morning.

                      A                                           B                    C                              D

Câu 44. I often spend some money each month to buy English books.

                                                  A           B              C         D
mọi người làm xong có thể giải thích tại sao lại chọn đáp án đó vs ạ. mik cảm ơn