Объяснить выбор предлогов в предложении: 1. he succeeded in (at) raising money to fund his project 2. the managed to fund a solution to (in) the problem нужно именно объяснить, почему подходит такой предлог, а не тот, что в скобках

In(смысл глубже чем at);to (потому что выражение solve to,а не solve in)

Be
 a teenager is not easy. Sometimes I feel insecure and it's hard
 just be yourself.

In my
 school has a large requirement to act in a certain way, look
 certain way and nositpravilnuyu clothing. I want to please others.
And I like to look good. But I feel it's important to be healthy,
play sports and eat right. I do not want to hurt himself or his body.

My
 best friend, my mom helps me when I feel insecure.

If you have
 at least someone who loves you, though it makes you care
 currently. Need to believe that there is something you
 stand. And my first job helped too. I

felt
 itself as an independent, and I felt that I had a purpose. It was an amazing

 feeling.
For me it is important to remind myself that I should not be

consistent all the time. I can be a leader, as

Be a teenager is not easy. Sometimes I feel insecure and are hard for me
simply be yourself.In my the school has a large requirement to act in a certain way, look in a certain way, and wear the right clothes. I want to be liked.
And I like to look well. But I feel that it is more important to be healthy,
exercise and eat right. I don't want to hurt myself or my body.
My the best friends of my mom helps me when I feel insecure.
If for you am though anybody, which loves you, it does you wanting to care of itself. It is needed  to trust that you something stoete. And my first work helped also. I
felt an independent, and I felt that I had a goal. It was an amazing
the feeling.It is important for me to remind myself that I should not be
consistent all the time. I can be a leader,also