【题目】We are busy in preparing for the performance in order not to________ in front of our classmates.
A.lose hope
B.lose face
C.lose confidence
D.lose heart

【答案】B
【解析】句意：为了不在同学面前丢人，我们正忙于准备演出。lose hope“绝望”；lose face“丢面子”；lose confidence“失去信心”；lose heart“丧失勇气”。