China ______ its first successful landing of a fighter jet on the Liaoning (“辽宁号”航母) last year.

_____ by the belief that a key university is beneficial to one’s future, many parents urge their childrento work hard [ ]

John is always praised _______ one of the top students ______ his efforts.

According to a recent survey, homework is_______ students most often blame for their lack of sleep.

the door of fear behind you, and you ______ the door of faith open before you.