They _____ thirty－six thousand dollars on the necklace .A.costB.tookC.payD.spent

He is over fifty, but he looks as if he ____________ only in his thirties. A. were

The______between the two posts measures thirty meters.A．pauseB．intervalC．recessD．interlude

The salinity of the earths oceans is about______.A．thirty－five part per thousandB．thirty－f

John told us that by the end of the year they _____ together for thirty years.A.

Hollywood propaganda films of the late thirties and early forties can be divided【C1】______

After questioning the man for six hours the police______the information they wanted.A.reg