Grammar, task 1

1 — b (an activity), 2 — b (raises), 3 — c (in), 4 — c (to take part), 5 — b (to show), 6 — a (provides), 7 — c (announcement), 8 — b (Supporting), 9 — a (raise), 10 — b (need), 11 — b (donate), 12 — b (performed).