IV. Circle the letter A, B, C or D to indicate the underlined part that needs correcting in each of the following questions. (1.5 points)
1. I learn how to swim in 2010.
        A        B       C           D
2. We should to reduce our waste to protect the environment.
        A    B    C                D
3. Mine hometown is a very beautiful place.
    A        B   C                        D
4. Because I was sick, so I didn’t go to school yesterday.
        A            B    C              D
5. Look! When a nice and colourful picture!
    A    B    C    D

1.