Raising_______retirement age in progressive steps is in_____line with China’s labor market realities and should be prioritized, an official said Tuesday.

—Excuseme.Doyouhavethetime?

—__________.

Inthosedays,theoldwomansitatthegateforhours,waitingforhersontoreturnfromthefront.

—I can't remember those grammar rules!

—__________. Practice more.

——Who knocked at the door?

——I’ve no idea. I just pretended nobody was at home, so I didn't ask who _____ was.