If you consider that she's only been studying English a year, she speaks it very well.
你可以考虑到她那学一年的英语,她的英语说得非常好。
it may have been because curiosity attracted them and because the scent of a possible meal attracted the sharks.
那么它们可能是出于好奇;而鲨鱼可能是闻到了可以美食一顿的香味。