—Thestudentsareplayingontheplayground!—Manyboystudentsc...

问题详情：

—The students are playing on the playground!

—Many boy students can _________ football．

A．be seen playing      B．see playing  

C．be saw to play       D．see to play

【回答】

A

知识点：动词语态

题型：选择题