依次填入下列各句方框里的成语，与句意最贴切的一组是（ ） ①无锡的梅园，面临太湖，以梅饰山，以山饰梅，□□□□。 ②苏轼也擅长书法，他取法颜真卿，但能□□□□，与蔡襄、黄庭坚、米芾并称宋代四大家。 ③这本侦破小说，构思新颖，□□□□，值得一看。 ④电影中有几处看来是闲笔，实际上却是□□□□之处。

We should do our best to prevent the river from __________.

I want to do thistime .

Do you mind if I record your lecture— ___________. Go ahead.

Nancy, would you please remove the big box here to make some room for my books?— Of course, but_____, I want to select some of your books to read.