Hi all, please explain for me some sentences:
1. Almost ......... substances expand in volume when heated and contract when cooled
A. all
B. they all
C. all of
D. all are
I do not know when we use all or all of, please explain for me
2. In the (initial planning) for theaters, auditoriums, (but) any room (intended) primarily for listening, acoustics is a (major consideration).
3. (Through) his essays, poems, and lectures, Ralph Waldo Emerson established (himself) as a major thinker of his time (and as) a (figure leading) of American literature.
4. The "method", (which is) both a style of (acting a) system of training for the actor, stresses (inner) motivation and psychological (truth).
5. Basalt, (which) composes (most) of the ocean (floor), is a dark- grey roock (rich) in iron and magnesium than most surface rocks
Thanks in advance.