One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English

One of the four underlined parts marked A, B, C, D in each sentence is not correct in standard English. Identify them.

1. If we will reduce the speed of population growth, there will be less pressure on the earth.

                       A                                         b                                        c                  d

2. Unless we leave a bowl of water under the sun, it will evaporate.

          A                          b                     c                       d

3. If we continue to use fuels at the current rate, we would soon have to face a fuel crisis.

      A                        b                                                      c                          d

4. If I am 10 centimeters taller, I would play basketball.

             A               b            c                d

5. If the doctors could find in the remedy, a lot of people would be saved.

                A                        b                            c                         d

6. If she bought that house now, she ran out of money.

                   A                         b             c         d

7. What you would do if you could speak French well?

        A             b                         c                              d

8. If I had known he is not at home, I wouldn’t have gone all the way to his house.

                   A                b                                   c                                     d

9. If I had known that the road were flooded, I would never have taken that way.

                  A                                       b                  c                      d

10. If I were you, I will go to the dentist’s and have the tooth checked.

              a                 b                     c                                            d