52._________A. isB. wasC. wereD. are

Either of the examples _____ good enough.A、isB、areC、wereD、be

__________ 查看材料A.isB.wasC.has beenD.had been

He insists that he ______ innocent.A. isB. beC. should beD. were

The company stipulated that this contract______fulfilled within one month.A．isB．wasC．beD．w

Gradually people find that his politics______extreme.A．isB．wasC．areD．were

If it______an interesting film, well see it tomorrow.A．will beB．wasC．isD．were