【C3】A．persistB．stayC．insistD．stick

【B13】A．attachB．subjectC．submitD．stick

【C13】______A．suggestB．understandC．insistD．agree

While______ in London, the young engineer picked up some English.A．stayingB．stayC．stayedD．

__________ 查看材料A.concentrateB.dwellC.insistD.stress

We need ______ here this evening.A、to stayB、stayC、stayingD、stayed

They _____ with us for the time being.A. would stayB. will stayC. have been staying