“Tommy, run! Be quick! The house is on fire!” the mother shouted, with      clearly in her voice.

—— How old is he?—— He is 14 _________.

Lingling is a　　　. She works in a hospital. 

—Will you fix up the machine according to the ______, David ? –No problem.

—What’s your favorite ________?—Summer. Because I can swim in rivers.