SAT OG 第二套提 s10 语法题

SAT OG 第二套提 s10 语法题
because many szechuan recipes require for one to cook without there having to be interruptions，（本句划线）
it's a good idea to measure all ingredients in advance.
答案把划线部分改成了：because many szechuan recipes require that one cook without interruptions，
可是这样不会run-on么？合起来这样：because many szechuan recipes require that one cook without interruptions，it's a good idea to measure all ingredients in advance.
中间没有连词？