阅读下列短文,根据短文内容填空。在未给提示词的空白处仅填写1个适当的单词,在给出提示词的空白处用括号内所给词的正确形式填空。Susana Vazquez-Torres is a fourth-year graduate student at the University of Washington who wants to someday invent new drugs neglected diseases.Lately, she (think) a lot about snake bites: Around a hundred thousand people die each year from snake bites, according to the World Health Organization—and yet, she says, "the current therapeutics are not safe and are very expensive."Part of the problem is developing new drugs for things like snake bites has been a slow and laborious process. In the past, it might have taken years to come up with a promising compound.
答案:【1】for【2】has been thinking/has thought/thinks【3】that