1.昨天,我爸爸给我买了一辆自行车.My father()()()yesterday.
2.吃过午饭后,工人们继续下地干活.（）（）lunch,the workers continued working in the fields.
3.那条巨型犬和他主人一样高.That huge dog is （）（）（）its owner.
4.你发生什么事了?（）（）（）you?
5.人们能从恐龙的骨骼、蛋及脚印的化石上了解它们的生活.People can（）（）the lives of dinosaurs（）fossils of their skeletons,eggs and footprints.