None of us expected Lily to at the party. We thought she was still in Beijing.A. turn in

问题补充：

None of us expected Lily to at the party. We thought she was still in Beijing.

A. turn in

B. turn over

C. turn up

D. turn down

答案：

A. turn in

B. turn over

(答案→)C. turn up

D. turn down

解析：本句的句意是“我们谁也没想到Lily会在晚会上出现，我们以为她还在北京。”故用turn up“露面”。