试题详情
单项选择 较难0.4 引用1 组卷193
The Chinese scientists claimed _______ a cure for the disease.
A.having discoveredB.discovering
C.to have discoveredD.that they discover
18-19高二上·黑龙江大庆·期末
知识点:不定式作宾语不定式的完成式:to have done 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!