Choose the one underlined word/phrase which is grammatically incorrect

I- Choose the one underlined word/phrase which is grammatically incorrect.

1. When we are on holiday, we used to go to the beach every day.

                     A         B                              C                           D

2. I am confident that life in the country has improved significant in 

                       A                               B                                   C

the last five years.

    D

3. We wish we can consult an expert on how to solve this problem.

                          A               B                               C               D

4. The environmentalist suggest planting more trees to improve the 

                                           A           B

city’s landscape and the environment as well.

           C                                                   D

5. He works much more hard for his exams than he does for his normal

              A                     B                                             C                  D

school work.

6. The doctor suggested that he should drink more water, and took a lot of

                             A                       B                      C                  D

rest.

7. I used to listen to music during I was riding my bicycle to school.

                        A                    B                          C                    D

8. It is annoying that many of the village's customs have replaced with new

                 A                                       B                               C                    D

ones.

9. None of them had any idea about how make a raft with only a few

              A                  B                               C                                D

bamboo canes.

10. It was reported that the city had invested more on the preservation of 

                 A                                       B                                      C

it’s wonders.

        D

11. He said that they will have to set off soon after midnight.

                     A            B                 C                 D

12. He suggested to go to Phong Nha Cave since it’s a famous

                               A                                       B      C

natural wonder of Viet Nam.

           D

13. When he lived in Japan, he didn’t used to eat food with forks, but with

          A                 B                               C                                                D

chopsticks.

14. They wished that time will be turned back so that they could go 

                    A                             B                                             C

kite-flying with other kids.

       D

15. He thinks that geometry is not as difficult than arithmetic.

                A                           B               C          D

16. I wish I can go to see all the wonders which have been recognised by

                       A                                B                   C                  D

UNESCO.

17. She wished she is not getting stuck in another traffic jam.

                  A             B                                  C              D

18. They are getting used to walking to school in two months.

                      A                         B       C                 D

19. I am tired of being told all the time what to do, and when doing it.

               A            B           C                                                   D

20. I used to having a very good time with my grandparents when I was a

                       A                             B                           C                       D

child.