Mr Walson ________ to America 20 years ago and has been here ________.
A. has gone; since then
B. went; since ever
C. has gone; since ever
D. came; ever since
科學實驗活動冊系列答案湖北省互聯(lián)網(wǎng)違法和不良信息舉報平臺 | 網(wǎng)上有害信息舉報專區(qū) | 電信詐騙舉報專區(qū) | 涉歷史虛無主義有害信息舉報專區(qū) | 涉企侵權舉報專區(qū)
違法和不良信息舉報電話：027-86699610 舉報郵箱：58377363@163.com
