Towmayfall        theothersbecausehehasmissedsomanyless...

问题详情：

Tow may fall         the others because he has missed so many lessons.

A. after B. behind C. later D. out of

【回答】

意为他可能落后于其他人，落后为 fall behind,应选B

知识点：动词和动词短语

题型：选择题