题目内容
介词、副词填空．
Alice always bases her opinion ____ the facts.
用适当的介词或副词填空
When ________ a western party, do ________ Romans do. Don't worry ________ all the rules so seriously.
____ a radio he can communicate directly ____ London.
介词、副词填空
Known _____ a famous scientist, he gave a wonderful speech to the audience.
