题目内容

【题目】科学家宣布已经在治疗癌症方面取得了重大突破。

Scientists __________ that they ____________________ in the __________ of cancer.

【答案】见解析

【解析】declared, had made a breakthrough, treatment

练习册系列答案
相关题目

违法和不良信息举报电话:027-86699610 举报邮箱:58377363@163.com

精英家教网