单选题 Tom _______ more than twenty pounds on the novel.

单选题 The workers are busy _______models for the exhibition

单选题 Don’t forget _______ the window before leaving the room.

单选题 I don’t know the park, but it’s _________ to be quite beautiful.

单选题 It was well known that Thomas Edison_______ the electric lamp.

单选题 _______ her and then try to copy what she does.

单选题 The manager will not _______ us to use his car.

单选题 I didn`t know what to do , but then an idea suddenly ________to me.