The teacher came into the classroom with a book ___ his hand.A on_英语解答

The teacher came into the classroom with a book ___ his hand.A on B in C at D of
应该选哪个?为什么?

人气：199 ℃　时间：2019-10-17 08:39:56

解答

选 in
eg：Tom went swinging down / along the road with a book in his hand.
汤姆手里拿着一本书,在路上轻松地走着.