题目内容
Frank, where have you been? We _____ you since 2 o’clock.
A. have been waiting for B. are waiting for
C. had waited for D. waited for
练习册系列答案
相关题目
题目内容
Frank, where have you been? We _____ you since 2 o’clock.
A. have been waiting for B. are waiting for
C. had waited for D. waited for