—Send me an e­mail when you are free, will you?—________.

—Hurry up , or you ________ catch the train. 

In order to improve your spoken English, you ________ be afraid of losing face. 

A giant of a man was standing in the doorway. His face was almost completely hidden by a long and untidy hair and a wild beard, but you ______ make out his eyes, shining like black beetles under all the hair.

---Lingling says Miss Yu has gone to Shanghai, _____ that be true?---It _____ be true because I saw her in the office just now.