【C9】______A．mayB．mustC．canD．will

Since the weather is fine we ______walk for a while.A．mayB．mustC．might as wellD．will

An unlimited arms race ______ well increase the danger of war.A．mayB．canC．mustD．will

Maybe you will ask my mother how I _____ to become an industrial engineer.A.proposedB

65._________A. necessityB. mustC. needD. had

63._________A.. mayB. mightC. canD. could

_________(59)A.have to B.mustC.should D.need