几个中学短文改错问题people take baskets of sandwiches and sit on the g

几个中学短文改错问题
people take baskets of sandwiches and sit on the grass in the park,enjoying the sun 为什么take改为bring 还要用enjoying
when he was walking,a cyclist ran into him 为什么用INTO
After a great many loud explosions 为什么explosions 前面可以用loud啊 还有a great many loud explosions 这个句式应该怎么用 举个例子