Tìm một lỗi sai trong bốn phần gạch chân A, B, C hoặc D trong các câu sau đây

Câu III. Tìm một lỗi sai trong bốn phần gạch chân A, B, C hoặc D trong các câu sau đây.

1. The boy who was given a first prize in the contest was very happy.

                    A                            B                                 C             D

2. Many university, school classes taught in English even though the native language is not English.

       A                                                  B                               C                 D

3.  He asked me had I decided to become an astronomer.

               A             B                        C         D

4. Of the two sisters, Linda is the most beautiful.

    A                    B              C                  D