1 . All applications must be s______ by the deadline. (根据首字母单词拼写)

2 . Usually, passengers ______ (被提醒) that no smoking is allowed on this train. (根据汉语提示单词拼写)

3 . Not all art works are d________ in this museum at the same time. (根据首字母单词拼写)

4 . At last, he was a________ by MIT through years of hard work. (根据首字母单词拼写)

5 . The building was completely d_________ by fire. （根据首字母单词拼写）

6 . Not until she called the manager’s secretary three times ________ that the manager went to an important meeting.

A．she told

B．did she tell

C．she was told

D．was she told

7 . The truth of the story was ______（质疑）by some students.(根据汉语提示单词拼写)

8 . People who work in offices are frequently ________(提及) to as white-collar workers. （根据汉语提示单词拼写）

9 . The bird is easily r________ in flight by the red feather at the end of its tail. (根据首字母单词拼写)

10 . When I entered the room, I found he was b_____________ in his work, so he didn’t notice me come in.