---Lingling says Miss Yu has gone to Shanghai, _____ that be true?---It _____ be true because I saw her in the office just now.
“What did you do last night?” “I did my homework and ________TV.”
The doctor often tells him _____________ more exercise.
“Can you sing the song in English?” “No , I _________”
“Whose bike is it ?” “It’s ____________”
Bruce, look at your dirty shoes. You’d better ________them right now.