Why did the author consider the invitation and snapshot meaningful?

(单选题)—We are worried about Tom. Why hasn’t he come back？—Don’t wo (单选题)______ to nuclear radiation, even for a short time, may infl (单选题)I was lucky to be given an opportunity ______ I could put wh (单选题)Ture happiness does not ______ the possession of money, but (单选题)I ______ for Shanghai this Saturday, so I want to knew when (单选题)In order to promote and protect human rights, all countries (单选题)Why did Sue and Behrman look at each other without speaking？ (单选题)According to the passage, Mr. Behrman ______. (单选题)According to the passage, Sue and Johnsy ______. (单选题)What can we infer from Johnsy’s counting back suggest？