The H1N1 flu spread very quickly at the beginning, __________, many people were ill．
A．therefore B．instead C．in advance D．however
I thought it was __________ to donate money to this fund．
A．worth B．worthy C．worthwhile D．worthless
The famous singer and actress ___________ performing in our city this week．
A．am B．is C．are D．be
The news ________ Joan will be our new English teacher is true．
A．that B．what C．how D．when
Practice Chinese Kungfu can not only _________ one’s strength, but also develop one’s character．
A．bring up B．take up C．pull up D．build up
If you are too formal, people around you won’t be __________．
A．at ease B．in danger C．in common D．at work
