问题
选择题
—Why are you looking so worried?
—I sent an email to my son in America last week, but no reply ________.
A．was received
B．had received
C．has received
D．has been received
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Why are you looking so worried?
—I sent an email to my son in America last week, but no reply ________.
A．was received
B．had received
C．has received
D．has been received
答案：D
