The ___ old man lives in a _____ house ______.

I cannot hear the professor clearly as there is toomuch noise ________ I am sitting.

I felt ___________when I heard the __________ news.

This year, Mandarin became the third most-popular A-level language exam among British high school students, only French and Spanish.

With a lot of difficult problems ____, the newly-elected president is having a hard time.