Bài 6: Gạch chân lỗi sai trong câu và sửa lại cho đúng.

1. I sure that you have mistaken my pen for yours.                                                    _______________

2. Peter is not confident presenting his ideas to the class.                                          _______________

3. It is impossible that a fish to climb a tree.                                                              _______________

4. Is it possible for me winning this competition?                                                     _______________

5. Mr. Brown was relieved hearing his wife was not injured in the accident.            _______________

6. Are you certain that he to be the pickpocket?                                                       _______________

7. Peter astonished that he accidentally found his childhood toy.                             _______________

8. It is difficult for you pass the test if you don’t study hard.                                               _______________

9. Were they be able to swim across that river?                                                          _______________