A．not to want anyone B．not wanting anyone C．wanted no one D．to want no one
单项选择题My pain（）apparent the moment I walked into the room, for the first man I met asked sympathetically Are you feeling all right
A．must be B．had been C．must have been D．had to be
单项选择题The two friends shared a（）interest in stamp collecting.
A．common B．many C．popular D．usual
