21．If we are not _______ the progress we have made, we will have greater success.
A．interested in B．strict in C．popular with D．content with
22．It is believed that if an event is _______, it will surely ______ the readers of the paper.
A．astonished; astonish B．astonishing; be astonished
C．astonishing; astonish D．astonished; be astonished
