How long ____ Gerry? A. has you been knowing B. has you know C. have you been knowing11/15Mark the letter A, B, C or D to indicate the correct answer to each of the following questions. How long ____ Gerry?has you been knowinghas you knowhave you been knowinghave you knownGiải thíchĐáp án: D Dịch nghĩa: Bạn biết Gerry bao lâu rồi?