John opened the door. There （ ） he had never seen before. （A）a girl did stand （B）a girl stood （C）did a girl stand （D）stood a girl
For a moment nothing happened. Then （ ） all shouting together. （A）voices had come （B）came voices （C）voices would come （D）did voices come
The computer was used in teaching. As a result, not only （ ）, but students became more interested in the lessons. （A）saved was teachers’ energy （B）was teachers’ energy saved （C）Teachers’ energy was saved （D）was saved teachers’ energy
So sudden （ ） that the enemy had no time to escape. （A）did the attack （B）the attack did （C）was the attack （D）the attack was
Little （ ） about her own safety, though she was in great danger herself. （A）did Rose care （B）Rose did care （C）Rose does care （D）does Rose care
