though the question is __ ,few students in our class can answer it.（填以s开头的单词）
问题描述：
though the question is __ ,few students in our class can answer it.（填以s开头的单词）
答
simple 尽管这个问题很简单，在我们班里没有学生能回答。
答
though the question is of science
答
simple