问题
选择题
She’s already two hours late. What ______ to her?
A．can have happened
B．may have happened
C．should have happened
D．must happen
答案
答案：A
can表推测，只用于否定句和疑问句中。
搜题请搜索小程序“爱下问搜题”
She’s already two hours late. What ______ to her?
A．can have happened
B．may have happened
C．should have happened
D．must happen
答案：A
can表推测，只用于否定句和疑问句中。