________that Maric was able to set up new branches elsewhere.
| A．So successful her business was | B．So successful was her business |
| C．So her business was successful | D．So was her successful business |
Not until I went through his paper _________ what rapid progress he had made in writing.
| A．I did find | B．did I find | C．I had found | D．was I found |
I don’t remember how many years ago _____ I was taken to Beijing for the first time.
| A．it was when | B．it was that |
| C．was it that | D．was it when |
Never in my wildest dreams ____ these people are living in such poor conditions.
| A．I could imagine | B．could I imagine |
| C．I couldn’t imagine | D．couldn’t I imagine |
Was it from the teacher you learned about this？
| A．when | B．where | C．that | D．which |
Only by reading more books improve your reading skills.
| A．you can | B．can you | C．do you | D．you do |