1, Electromagnetics
2, calculus
3, the first half, the second half
4, Harry Potter, Part 6
5, The grades are finally out.
6, pick(s) oneself up
7, by-stander(s)
8, have no choice but to / can't help it but to
9, the movie The Fast and the Furious
10, breakdown
11, wish I got good grades
12, the bus route has been altered.