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单项选择 适中0.65 引用1 组卷226
The custom ______Roeman times; for detailed information_________the history book.
A.dating back to ;referring to
B.dates back to;refer to
C.dates from;referring to
D.dating from;refer to
16-17高三上·江苏·期中
知识点:refer to祈使句的肯定形式谓语date back to … 答案解析 【答案】很抱歉,登录后才可免费查看答案和解析!