1 . The expert delivered a wonderful speech, saying that humans should give animals freedom and that caged animals should be r____________ into the wild.

2 . We insisted that the task _________ (complete) at the end of this week.

3 . If I had been more careful, the failure_______________.（avoid）
如果我更细心些，这次失败就能避免了。

4 . With the college entrance exam drawing near, every minute should______________to work at our lessons.(use)
随着高考的临近，每一分钟都应充分用来学习功课。

5 . It seems that we have to accept the result and make a good preparation to have another try.
                      earlier, I could have done something to avoid this accident. (inform)
看来我们必须接受这个结果并做好再次尝试的准备了。要是我早点得知的话，就可以做些什么来避免这场事故了。

6 . In those rough times mistakes, which ________________, were crowding in at the same time and my life was totally messed up. (avoid)
在那些诸事不顺的日子里，本可以避免的错误全都同时发生了，我的生活完全一团糟。