Even the best students in our class couldn’t answer this question, so it ________ be very difficult.
A. must B. could C. may D. can
科目：初中英語 來源： 題型：
Even the best students in our class couldn’t answer this question, so it ________ be very difficult.
A. must B. could C. may D. can
湖北省互聯網違法和不良信息舉報平臺 | 網上有害信息舉報專區 | 電信詐騙舉報專區 | 涉歷史虛無主義有害信息舉報專區 | 涉企侵權舉報專區
違法和不良信息舉報電話：027-86699610 舉報郵箱：58377363@163.com