2.A.way B.means
C.method D.approach
3.A.waterways B.waterfronts
C.channels D.paths
4.A.among B.between
C.in D.to
5.A.revealed B.exposed
C.opened D.shown
6.A.trip B.journey
C.voyage D.route
7.A.lain B.stationed
C.set D.located
8.A.escape B.drain
C.dry D.leak
9.A.water B.wet
C.soak D.irrigate
10.A.furnish B.afford
C.offer D.give
11.A.focuses B.bases
C.depends D.takes
12.A.cross B.pass
C.move D.advance
13.A.down B.below
C.beneath D.off
14.A.studied B.researched
C.surveyed D.observed
15.A.few B.number
C.deal D.supply
16.A.although B.because
C.so D.if
17.A.that B.where
C.when D.as
18.A.exact B.definite
C.certain D.decisive
19.A.held B.taken
C.got D.developed