根据句意和汉语提示写出单词，完成句子。
It’s important for us to understand the_______________(语法) rules.
The Chinese 9.3 military parade has won high _______________ (赞扬) from the world.
Eddie has difficulty ____________________ (承诺) that he should be generous.
Both the engineer and the pioneer heart surgeon work to high _______________(标准).
Not only the blue jeans but also the violet skirt______________ (相配，般配) your blouse.