指出下列各句中的错误并加以改正

1. It was foggy while we arrived in London.
    A           B      C               D

2. They will not start until next Friday.
       A       B         C       D

3. Because you have a headache, you'd better take the doctor's advice and have a good rest.
       A                        B                   C                                            D

4. The ground is slippery. Hold my arms, so you don't fall.
                             A           B             C           D

5. It’s so nice weather that I'd like to take a walk in the sun.  
           A      B              C                                      D

6. He is too youngthat he can't take the TOFEL.
             A             B          C           D

7. Although Jane is over forty, but she is still active in sports.
       A                    B              C             D

8. I don't know if I will be able to win the match or not.
          A          B                               C              D

9. I doubt where he will go with.
         A      B          C        D

10. Both Peter swept the floor and Fred cleaned the windows.
       A                    B             C                            D