Choose A, B, C or D that needs correcting

Choose A,B,C, or D that needs correcting
-Dont't forget to turn (A)off (B)all the light (C)when you go to bed (D)
-Leo likes watching (A)TV so much (B) that he turn on it(C)as soon as(D) he comes home from school.
-He said (A)he was looking after(B)a place to stay(C) for a few weeks (D).