Don’t give up regardless of difficulty and failure, you’ll never achieve your goals
A．and B．but C．or D．so
．—I’ll do the washing – up．Jack, would you please do the floors?
— ．
A．Yes, sure B．No, I don’t C．Yes, Please D．No, not at all
The thief hid himself in the corner, ．
A．was afraid of being caught
B．afraid of being caught
C．worried about caught
D．worrying about caught29．
In my opinion, no search engine can Baidu in search scope（处理，研究某事的范围）
A．compete B．equal C．win D．suit
—Would she mind playing against her former teammates?
— She is willing to play against any tough players．
A．I think so． B．I’m not surprised． C．Of course． D．Not likely．
Sam some knowledge of the computer just by watching others working on it．
A．brought up B．looked up C．picked up D．set up
