—Can I go down this street?—No. You’d better(最好) go along Bridge Street. The street is too _______ now.
Everyone ______ be polite to the old people.
---Could you tell me when Mr. Li _______ in Changchun? ---Sure. When he _______, I’ll call you.
Kids _________ use the computers to draw in the future.
---Will there be more people in 100 years? --- __________, I hope.
Tom _______ his English book in the classroom last Friday.