英语倒装结构专练单线选择题：1. No sooner _ themselves in their seats in the theatre _ the curtain went up. A. they have settled; beforeB. had they settled; than C. have they settled; whenD. they had settled; than2. I wonder if your girl friend will go to the ball. If she _ , so _ mine. A. does; doesB. does; willC. will; doesD. would; will3. Its necessary that not only _ to see a doctor but also stay at home for a good sleep. A. Bob should go B. d
