—You seem tired, David.
—Yes. I _____ all day long and can’t wait to go to bed now.
| A．am working | B．had been working |
| C．have been working | D．was working |
As we all know, ______ medcial examination will help out health problem as early as possible.
| A．regular | B．general | C．common | D．normal |
—Why didn’t you come to the cinema with us last Saturday?
—Oh，sorry．But Ithe film．
| A．see | B．saw | C．have seen | D．had seen |
Naturally I will come to you for advice whenever I feel I need
| A．them | B．one | C．some | D．few |
We have every reason to believe that __ 2010 World Expo in Shanghai will be _____ success.
| A．/; a | B．the; / | C．the; a | D．a; a |
There are some students ______ to have known what they don’t really know, which is really harmful to them.
| A．pretending | B．to pretend | C．pretended | D．pretend |