How long ____ Gerry A. has you been knowing1/15Mark 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: Bạn biết Gerry bao lâu rồi?