英语上的几个问题they have come up with lots of ideas to explain the

英语上的几个问题
they have come up with lots of ideas to explain the end of the dinosaurs.可以改写为：they have （ ）many ideas to explain the （ ）of the dinosaurs.the hit made a lot of dust.it flew up into the air and keep the sun away for months.译成汉语 四月,以为英国科学家提出了关于恐龙死亡的新观点.译成英语 he thinks that after the minor planet hit the earth ,the temperature change left more dinosaur boys than girls.译成汉语