成人英语三级考试

【单选题】Kevin burst into tears ______ because his teacher punished him in front of the whole class.
A. on the side
B. on the spot
C. on any account
D. on the mark

网考网参考答案：B
网考网解析：
on the spot意为“当场”；on the side意为“作为兼职，另外”；on any account意为“无论如何”；on the mark意为“中肯的，切题的”。根据题意选B。 查看试题解析出处>>