Only when ________ be possible to sign the papers.

I’m in Class 4. Are you in Class 4, ____ —Yes, I am.

Ken, why do you look so tired—I _____ myself _____ the climate since Icame here.

The points put forward at the conferencethe government should pay more attention to the poor were widely accepted.

Mr. Smith，________of the ________speech，started to read a novel.