Circle the underlined words or phrases that need correcting

Circle the underlined words or phrases that need correcting
1. The pocket watch is not so modern from the wristwatch
                              A        B      C       D
2. The first question in the exam was very hardly
           A                 B   C                            D
3. They don't enjoy to go on vacation as much as they used to
              A                B                                  C                  D