I didn’t recognize my uncle until he raised his voice.
A.Not until I recognized my uncle did he raise his voice.
B.Only after my uncle raised his voice did I recognize him.
C.My uncle raised his voice as soon as I recognized him.
D.No sooner had I recognized my uncle than he raised his voice.

I was absorbed in the vivid story. My grandfather told me that story.
A.I was so absorbed in the vivid story that I told my grandfather.
B.My grandfather told me an vivid story.
C.The story that my grandfather told me was very absorbed.
D.The vivid story told by my father interested me a lot.

Susan did not buy that villa. She now regrets it.
A.Susan wishes she had bought that villa.
B.Susan regrets having bought that villa.
C.If only Susan didn’t buy that villa.
D.Susan wished she hadn’t bought that villa.

My sisters used to get on with each other. Now they hardly speak.
A.My sisters rarely speak because they have never liked each other.
B.Because they have never got on, my sisters do not speak to each other.
C.My sisters were once close, but they rarely speak to each other now.
D.My sisters do not speak to each other much, but they are good friends.

We should quickly find a solution to the problem. Otherwise, its impact on those concerned will increase.
A.If we can solve this problem soon, we will lower the impact on all of our concerns.
B.The sooner we find a solution to the problem, the lower the impact it has on those concerned.
C.If all those concerned lower their impact, the problem will be better solved.
D.By the time we solve this problem, the impact on those concerned will have been lower.

We arrived at airport. We realized our passports were still at home.
A.It was until we arrived at the airport that we realize our passports were still at home.
B.We arrived at the airport and realized that our passports are still at home.
C.Not until had we arrived at the airport we realized our passports were still at home.
D.Not until we arrived at the airport did we realize that our passports were still at home.

He felt very tired. However, he was determined to continue to climb up the mountain.
A.Tired as he might feel, he was determined to continue to climb up the mountain.
B.As the result of his tiredness, he was determined to continue to climb up the mountain.
C.Feeling very tired, he was determined to continue to climb up the mountain
D.He felt so tired that he was determined to continue to climb up the mountain.

He behaved in a very strange way. That surprised me a lot.


A.He behaved very strangely, which surprised me very much.
B.I was almost not surprised by his strange behavior.
C.What almost surprised me was the strange way he behaved.
D.His behavior was a very strange thing, that surprised me a lot.

Joe has finished his first-aid course. He proves extremely helpful as a rescue worker.
A.Although Joe proves extremely helpful as a rescue worker, he hasn't finished his first-aid course.
B.Without finishing his first-aid course, Joe proves extremely helpful as a rescue worker.
C.However helpful Joe proves as a rescue worker, he hasn't finished his first-uid course.
D.Having finished his first-aid course, Joe proves extremely helpful as a rescue worker.

I arrived at work. The assistant knocked at the door.
A.Hardly had I arrived at work then the assistant knocked at the door.
B.No sooner had I arrived at work than the assistant knocked at the door.
C.I hardly knew the assistant knocked at the door as I just arrived at work.
D.I had to arrived at work as the assistant knocked at the door.