1£®He kept us waiting (wait) for a whole hour.

2£®He was last seen playing (play) by the river.

3£®Listen£¡Do you hear someone calling (call) for help?

4£®Dina£¬having_struggled (struggle) for months to find a job as a waitress£¬finally took a position at a local advertising agency.

5£®It rained heavily in the  south£¬causing (cause) serious flooding in several provinces.

6£®—Come on£¬please give me some ideas about the project.

—Sorry.With so much work filling (fill) my mind£¬I almost break down.