题目

The Olympic Games,       in 776 B.C.,did not include women players until 1912. A.first played           B.to be first played C.first playing          D.to be first playing   答案：A过去分词作定语表示被动，公元前776年开始举行的奥林匹克运动会直到1912年才允许妇女参加。—Will you come?—________you promise not to invite Mary.A．As ifB．If onlyC．Only ifD．Even if