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

5. Mrs. Adams was surprise that her son and his friend had gone to the mountains to ski.

A. surprise                   B. her                          C. had gone                 D. to ski

6. My friend, whom bicycle was stolen last week, has decidedto buy a motorbike.

A. stolen                      B. to buy                     C.whom                      D. has decided

7. John has four cats, and he always feeds it 3 times a day.

A. has                          B. it                             C.and                          D. times

8. According to Peter’s advice, energy-saving bulbs should use in this building to save electricity.

A. According to          B. energy-saving         C.to save                     D. should use