[跟踪训练]
在空格处填入适当的词(1个单词)或所给词的正确形式
1．The (manage) decided to choose a responsible person to perform the task.
2．Gathering clouds (announce) the oncoming storm.
3．If you (convince) that something is true，you feel sure that it is true.
4．Now it became (evidence) that he spoke two languages at once.
5．He must be made to answer for these terrible (crime)．
6． usual，there weren’t many people at the meeting.
7．My son，please be careful the strangers when you are at the groceries store.
8．I was cut on my line to London.
9．One should adapt oneself the changed conditions.
