Although we hadn’t seen each other for twenty years, Jack and I _________each other at the first sight at yesterday’s party.

 David had prepared carefully for the chemistry exam, as he wanted to be sure of passing it at the first _____.

smoke

It is necessary for children to exchange ideas with parents from time to time so that the generation gap between parents and children can be _________.

 ------The school is well equipped.------Yes, and every student has free ________to the library.