He was proud of being chosen to participate in the game and he ______ us that he would try as hard as possible. ( 章节：3 难度：3)_做题室

单项选择题He was proud of being chosen to participate in the game and he ______ us that he would try as hard as possible. ( 章节：3 难度：3): A、insured; B、guaranteed; C、assumed; D、assured

正确答案：C
答案解析：
关注下方微信公众号，在线模考后查看

热门试题