Which lines from president reagan’s address at moscow state university contain an opinion? check all that apply. a) nancy couldn't make it today because she's visiting leningradb) one of these chips has more computing power than a roomful of old-style computersc) but progress is not foreordained. the key is freedom—freedom of thought, freedom of informationd) you know, one of the first contacts between your country and mine took place between russian and american explorerse) perhaps most exciting are the winds of change that are blowing over the people's republic of chinaf) and that's why it's so hard for government planners, no matter how sophisticated, to ever substitute for millions of individuals (not b, e, f)