【题目】It is a common phenomenon that some students will invite their teachers to nice dinner after they leave school
A. a: a B. the; the
C. \ ; a D. a ;\
在线课程【答案】D
【解析】
考查冠词。不定冠词a/an表示泛指，a nice dinner一顿美餐；固定短语leave school毕业。句意：学生毕业以后邀请他们的老师共进美餐是一个常见的现象。故D项正确。