—IheardTomfelldownwhilehewasridingtoschoolyesterday.—

问题详情：

—I heard Tom fell down while he was riding to school yesterday.

—____________? He is always careful when riding.

A. What’s up   B. What for     C. Why not     D. So what

【回答】

A

知识点：口语应用

题型：选择题