2016-2017学年高中英语（外研版）必修1：Module3 Section Ⅱ Grammar课文训练含解析 基础训练 Ⅰ.用括号内所给动词的适当形式填空 1. Many people ________(invite) to the conference were famous scientists. 2. From the ________(frighten)look on his face, we knew that he must have seen something ________(frighten)． 3. Look, the person ________(train) the football players are from an European country. 4. The average Facebook user in the United States has 245 friends, according a study ________(publish) in February. 5. The thief was caught at last and the ________(steal) money was returned to its owner.