After climbing the hills in the natural park for hours, my legs _   under me and I failed to keep pace with others．

Nowadays, some hot network languages are even          in some official media, such as CCTV and People’s Daily. 

—What worried him so much?—His hair’s            grey.

 He _____ a Party member last year.

I remembered my grandma _________ me stories when I was a little child.