1．Mary explained what we were to do in brief (简短的)．
2．The policeman caught the robber, who was trying to escape (逃脱) from the police car.
3．To some extent (程度), uncontrolled information from the website that many people turn to proves false.
4．The shy girl felt awkward (局促不安的) when asked to answer her teacher's questions.
5．It is normal (正常的) that you'll have difficulty learning Chinese at first.
6．Some new changes happened in the school during my absence (缺席)．
7．They looked disappointed (失望的), for they were defeated in the football match.
