根据句意，用所给单词的适当形式填空。
【小题1】We wish every one of ________ a bright future after graduation. (we)
【小题2】When we speak, sound waves begin to travel and go in all ________. (direct)
【小题3】Our manager greeted the guests ________ with a smile at the entrance. (polite)
【小题4】You won’t find anything ________ about my father until you learn more. (usual)
【小题5】My teacher often encourages me to spend at ________ one hour a day reading books. (little)