I3. Need to ~ and need -ing
a. I need to do something = it is necessary for me to do it. (e.g. I need to take more exercise.)
b. Something needs doing = it needs to be done. (e.g. The batteries in the radio need changing. (= they need to be changed.)
I4. Help and can't help
a. can say help to do or help do (with or without to) (e.g. Everybody helped to clean up after the party. or Everybody helped clean up ~)
b. I can't help doing something = I can't stop myself doing it. (e.g. I don't like him, but he has a lot of problems. I can't help feeling sorry for him)
Idiom 365
Put the Wool over other people's Eyes: to deceive someone in order to prevent them from discovering something.
Example: Don’t try to put the wool over people's eyes, they're smart enough.)