．The unemployment rate in this district______ from 6% to 5% in the past two years．
| A．has fallen | B．had fallen | C．is falling | D．was falling |
In ____ accident _____ knowledge of first aid can make _____ real difference.
| A．the; a; the | B．an; a; a | C．an; the; 不填 | D．a; a; 不填 |
—“Did you have any difficulty in yesterday’s homework?”
—“No, in fact I found _____.”
| A．it very easy to do | B．it very easy done | C．very easy for doing | D．very easy to do it |
she is not so cheerful she used to be?
| A．How is it that; as | B．Why is it that; what | C．Is it why; that | D．How it is what; as |
—Will you go to see the movie A Simple Noodle Story tomorrow evening?
— No, I am going to a lecture, or at least I am planning _____.
| A．to | B．so | C．go | D．that |
______ New York Times, an elite (精华) newspaper of America, should have reported the whisper as _____ breaking news.
| A．The; a | B．The; the | C．不填; a | D．The; 不填 |