B. 根据中文提示完成单词，使句子完整、通顺。
【小题1】It’s a book about the __________ (未来) .
【小题2】Don’t _____________ (嘲笑) at the people in trouble.
【小题3】It’s _______ (不可能的) that he can come at once.
【小题4】____________ (幸运地), he wasn’t hurt badly in the accident.
【小题5】Do you know the difference _____________  (在......之间）“beside” and “besides”?