20．Andrew is said _____ a new computer programme last month, but I don’t know when she will finish it.

　　　 A．to design　 　　　　　　　　　　　　　　　　　　　 B．to be designing　　

　　　 C．to have designed 　　　　　　　　　　　　　　　　 D．to have been designing

19．There is a new problem _____ the popularity of private cars that road conditions need _____.

　　　 A．involved in; to be improved　 　　　　　　　 B．involving in; to be improved

　　　 C．involving in; improving　　　　　　　　　　　 D．involved in; improved

18．-Don't you believe me?

-______, I'll believe ______ you say.

　　　 A．No; whatever　　 　　　　　　　　　　　　　　　 B．Yes; no matter what

　　　 C．No; no matter what　 　　　　　　　　　　　　　 D．Yes; whatever

17．The Chinese nation has ______ many national heroes and revolutionary leaders.

　　　 A．given birth to　 　 B．sung praise for 　 C．given a reward to D．keep records of

16．______ the fact that he gained a great many achievements, he remained modest.

　　　 A．In addition to 　　 B．Besides 　　　　　　　 C．Despite　　　　　　　 D．Though