LastMarchthe__________ofa19thcenturycargoshipwasfoundbyanunderwaterarchaeologicalteam.
A、debris
B、ruins
C、remains
D、wreck
Thecompositionscontainedsofewerrorsthattheteachergotthestudents_____oneanother’spapers.
A、correct
B、tocorrect
C、correcting
D、tobecorrecting
Modern（）perhapscausesmoreproblemsthanitsolves.
A、technique
B、technology
C、tactics
D、tendency
_____time,he’llmakeafirst-classtennisplayer.
A、Having
B、Given
C、Giving
D、Had
You’dbetterletmeknowassoonasthereisa(n)____positioninthebranchoffice.
A、empty
B、vacuum
C、hollow
D、vacant