She gave birth to her first child by her uncle at age 14 in 1990. This is showing a sign of being .

Does this works?

The psychologist help Alesha to break through her issues by using cognitive-behavioral therapy.
Is "to" necessary or should take it out? Or both are correct?

I reposted this because I didn't get answers for 2nd and 3rd questions.

Apparently you neglected to check the responses to your previous post.

http://www.jiskha.com/display.cgi?id=1301521881