(1) Bill insisted in staying near the car. (in 改为 on,insist on 为固定搭配) (全国卷)
(2) Suddenly we caught sight at a car and some men. (at 改为 of,catch sight of是习语,意为“看见”) (全国卷)
(3) When I have free time I go a long walk. (go 后加 for,go for a walk 是习语) (全国卷)
(4) When they came down the police were angry to them. (to 改为 with,要表示对某人生气,英语习惯上用be angry with sb) (全国卷)