I. 单选题：（15%）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．—Would you like to come to the dinner party here on Saturday?
—Thank you． I’d love to, _____I’ll be out of town at the weekend．
A．because B．and C．so D．but
2．We didn’t plan our art exhibition like that but it _______ very well．
A．worked out B．tried out C．went on D．carried on
3．Have you seen the film “Titanic”, ____ leading actor is world famous?
A． its B． it’s C ． whose D． which
4．His invention ______ of no use by the scientists of that time．
A．considered being B．considered to be
C．was considered to be D．was considered being
5．I’d like to listen to VOA program but sometimes I can’t _____ on my radio．
A．pick up it B．pick it out C．pick it up D．look for it
