问题
选择题
—What ________ you?
—I lost my keys.
A．happened
B．happens
C．happened to
D．happens to
答案
答案：C
从答句时态看，问句也应是过去时态，happen to sb 某人……发生了什么事？
搜题请搜索小程序“爱下问搜题”
—What ________ you?
—I lost my keys.
A．happened
B．happens
C．happened to
D．happens to
答案：C
从答句时态看，问句也应是过去时态，happen to sb 某人……发生了什么事？