A.hasB.hadC.has hadD.had had
A. has
B. had
C. has had
D. had had
A.spaceB.phoneC.serviceD.facility
A. space
B. phone
C. service
D. facility
A.expressedB.exposedC.discoveredD.found
A. expressed
B. exposed
C. discovered
D. found
A.placeB.locationC.spotD.context
A. place
B. location
C. spot
D. context