A:where
B:which
C:in which
D:what
When do you p____ s____?
阿拉伯数字在我们的学习、工作和生活中运用相当广泛,它的发明者和传播者分别是( )
①____ ②____ ④____
⑤____ ⑦____ ⑧____
⑩____