20．My requirement is that the information referred to in my report _____ to Mr Brown without delay.

　　　 A．to be e-mailed 　　 B．e-mailed　　 　　 C．be e-mailed　 　　 D．being e-mailed

19．The shortage of teachers in less-developed areas seems to _____ that teaching there offers _____ chance of advancement or pay increases.

　　　 A．show; few　 　　　　 B．indicate; little 　　 C．suggest; a few 　　 D．express; a little