_______ the smoke come out of the building, my first thought was to call the fire department as soon as possible.
| A．Having seen | B．When seeing | C．When I saw | D．Seeing |
The elderly clerk showed us several beautiful dresses in my size and price range，hut___________ were right for me．and we were ready to leave．
| A．nothing | B．anything | C．none | D．they |
According to the report，China's graduates will find it tougher than ever to get jobs in the coming year, as China’s economy_________and unemployment rises．
| A．breaks down | B．slows down | C．picks up | D．takes up |
Studies show that the things that contribute most to a______of happiness cannot be bought．
| A．cause | B．thought | C．suggestion | D．sense |
—Has your sister finished her novel yet?
—I have no idea．She________it last week.
| A．wrote | B．has written | C．was writing | D．had written |
To shut your eyes to facts．as many of you do,_______foolish．
| A．is | B．are | C．are | D．were |