题目内容：

When a teacher_____question and does not……
When a teacher_____question and does not name a particular student to_____it,who knows the answer,he or she should put up the hand to answer it
a.asks b.ask c.tells d.tell
a.ask b.answer c.stop d.start

优质解答

When a teacher__asks___question and does not name a particular student to__answer___it,who knows the answer,he or she should put up the hand to answer it