_______or twice she looked into her sister's book ,but it's not i_英语解答

_______or twice she looked into her sister's book ,but it's not interesting .
A.one B.first C.once D.an

人气：298 ℃　时间：2020-04-12 22:28:18

解答

A你答错了应该选C once or twice 我知道了但为了我的5分我忍了···