You’dbetterletmeknowassoonasthereisa(n)____positioninthebranchoffice.
A、empty
B、vacuum
C、hollow
D、vacant
_____,hewouldnothaverecoveredsoquickly.
A、Hadn’thebeentakengoodcareof
B、Hadhenotbeentakengoodcareof
C、Hadnothebeentakengoodcareof
D、Hadhebeennottakengoodcareof
TheClarkshaven’tdecidedyetwhichhotel_____.
A、tostay
B、istostay
C、tostayat
D、isforstaying
Whiledoingcalculationfortheproject,thedesigners____anewsolutiontoageologicalproblem.
A、fellinto
B、stumbledupon
C、setout
D、discovered
TheBentPyramidoutsideCairo__________ancientEgypt’sfirstattempttobuildasmooth-sidedpyramid.
A、hasbeenbelievedtohavebeen
B、wasbelievedtobe
C、isbelievedtohavebeen
D、isbelievedtobe