单选题 In order to improve her English, she decided to ____ herself in an English-speaking environment.

单选题 Before making such an important decision, we need to carefully ____ the risks involved.

单选题 The architects planned to ____ the historic church into a community center while preserving its facade.

单选题 To make the movie more realistic, the director wrote a detailed ____ describing each character and scene.

单选题 After crushing the ____ into powder, she mixed it with water to make a paste.

单选题 He is not just my colleague but also a close business ____ I can always rely on.

单选题 The country's economy ____ into chaos following the sudden outbreak of the war.

单选题 The teacher was ____ when she found out that the students had cheated in the exam.