necessary的例句

necessary 的相关例句:

71.	I could come earlier, if necessary .
	如有必要我可以早点来。
72.	If necessary , you might shorten it.
	必要的话你可以把它缩短。
73.	It was after we had prepared everything necessary that we

74.	Nothing so necessary for travellers as languages.
	外出旅行，语言最要紧。
75.	Some such arrangement was necessary .
	这样的一种安排是必要的。
76.	We were kept waiting longer than was absolutely necessary .
	完全没有必要让我们等那么久。
77.	He talked more than was necessary .
	他谈了一些不必要的话。
78.	She gave me the impression of having more teeth than were necessary for any practical purpose
	她给我的印象是，其牙齿数目之多已超过了实际需要。
79.	Take as much paper as you need, but not more than is necessary .
	需要多少纸就拿多少，但不要多拿。
80.	Maintenance of quiet is necessary in a hospital.
	医院里必须保持安静。