While he was ______ about in the street, Mary came up to him.
| A．wandering | B．wondering | C．wondered | D．wandered |
34. —Jack, I want to change my job. You know I haven’t achieved anything since I took up teaching.
— Really? There is not a job considered the best one! As we all know, ______!
| A．misfortunes tell us what fortune is. |
| B．all is well that ends well. |
| C．if a thing is worth doing it is worth doing well. |
| D．every profession produces its own best. |
33. _______ 30 minutes_______, we might as well go to the café for a drink.
| A．There were; to go | B．It had; left | C．There was; left | D．With; to go |
32. So many great events ________that it is bound to be a most special year in Chinese history.
| A．2008 saw | B．would 2008 see | C．did 2008 see | D．saw 2008 |
31. It’s not easy for experts to ______ H1N1 flu in humans from regular human seasonal influenza.
| A．distinguish | B．separate | C．define | D．recognize |
30. The sweater my sister knitted for me ______ twice the size it should have been. It had to be kept for later use.
| A．ended up | B．brought up | C．came up | D．took up |