[Vocabulary] use of in

[tough]

1)You have done your majors in which subject( is this right and can this be much better)
2) I got saved from meeting with an accident while going to work ( is this right and can this be much better)
3)Its slippery in summber and bike gets splattered with mud( can this be much better)

 

[emsr2d2]

1)You have done your majors in which subject( is this right and can this be much better)
What did you major in?

2) I got saved from meeting with an accident while going to work ( is this right and can this be much better)
I (narrowly) avoided an accident on the way to work.

3)Its slippery in summber and bike gets splattered with mud( can this be much better)
It's slippery in the summer and my bike always gets splattered with mud.

See above.