_____ Blacks are going to the park. Why don’t we go for _____ walk, too

Look at the math book. Do you know ______ it might be

Though some foreign scientists had a ______ opinion of his new invention, his fellow workers never thought ____ of it

下列各句中加横线成语的使用，全都正确的一项是（ ）①著名歌唱家刘欢演唱的蜀军为诸葛武侯举哀时响起的那首《赞诸葛》真是长歌当哭，如泣如诉，让人潸然泪下。②对旧城区的街道进行改造，政府相关部门必须求田问舍，广泛听取群众的意见，努力优化。③图穷匕见，这个一向以友好邻邦来标榜的霸权主义者，终于撕去了“友谊”的面纱，赤裸裸地进行军事交涉了。④自春运火车票开卖以来，前往火车站售票大厅购买返乡火车票的人不绝如缕，售票口时而出现“长龙”。⑤外国媒体臆测解放军新战机隐身性堪比美国的F22“猛禽”战机，其实这些不经之谈是为了继续鼓吹“中国军事威胁论”。⑥在迷人的天山牧场“游目骋怀”，我看到落日的余晖与碧绿的草原互相辉映，宛若一幅灿烂的油画。

They had an accident on the road and didn’t ________ at their hotel until after midnight.