4 Prepositions in phrases
(a) on
(b) of
(c) of
(d) in
(e) in
(f) on
(g) in
(h) of
5 Prepositions of place and time
(a) Among
(b) from, to/between, and
(c) in, of
(d) in, in
(e) in, at
(f) On, between
(g) of, on
6 Practice B
(a) out
(b) of
(c) in/to
(d) to
(e) among/in
(f) from/in
(g) between
(h) in
(i) of
(j) in/over
(k) between
(l) in
(m) in
(n) of
(o) to/in
8 Practice C
(a) focused on/concentrated on
(b) pointed out
(c) specialising in