45.A.leave B.hold C.remain D.reserve
44.A.raced B.got C.solved D.opened
43.A.before B.immediately C.fast D.ahead
42.A.how B.why C.what D.where
41.A.walking B.struggling C.carrying D.running
40.A.greeted B.met C.noticed D.seek
39.A.flight B.breath C.bag D.companions
38.A.catch B.run C.get D.hold
37.A.trains B.buses C.planes D.directions
36.A.prepared B.caught C.scheduled D.ordered