[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．I think he wanted to marry her，if I am not (mistake)．
2．It was (unusual) quiet in the emergency room on December 25.
3．The policeman rang in to report his new (discover)．
4． (unfortunate)，I hurt my knee when I fell down on the ice.
5．The picture had fallen to the floor (uncover) the hole behind it.
6．You are completely mistaken Jane.
7．His parents tried to discourage him learning music，but he persisted.
8．He can’t speak French，which puts him a disadvantage.
9．Police officers must be prepared for unexpected.
