Question

用once和unless造句

once一旦，和unless除非，各造三个句子时态要对在线等！初中水平

Answer 1

once一旦

http://zhidao.baidu.com/question/92678210.html?si=6
He will not be swerved from his course once his mind 's made up.
一旦他已下定决心，就无法改变。
No one could turn him from his purpose once he had made up his mind.
他一旦下定决心，没有人能使他改变主意。

Once seen, she will never be forgotten.

There is no disgrace in failing once. 一旦失败也不丢脸。

The reason for doing this is to aviod any law suit once the student get injuried. 这样做是为了避免一旦学生受伤而当被告。

Once you learn knowledge by heart, you master it. 一旦用心去学知识，就会掌握它。

unless除非

http://zhidao.baidu.com/question/12096739.html?si=1
My baby sister never cries unless she is hungry.
我刚出生的妹妹除非饿了，她是从来不哭的。
I shall go there tomorrow unless I'm too busy.
如果我不太忙，明天将到那儿去。
Unless you go at once you will be late.
如果你不马上走，就会迟到的。

I won't apologize unless she apologizes first.
除非她先道歉,否则我不道歉。