—David is often absent from class.
—Tell him he answer for it if he goes on behaving like that.
A. shall
B. might
C. would
D. can
网友回答
(答案→)A. shall
B. might
C. would
D. can
解析：答案：A 考查情态动词。句意为：David现在经常旷课。告诉他，如果再这样，后果自负。情态动词shall用于第二、三人称的陈述句中，可表示警告、许诺、命令、威胁等语气。故答案选A。