单项选择题
— I will be right back in an hour. Will you wait for me — I'm afraid not. He probably have gone to a meeting () then.
A．by B．since C．from D．till
A．where; that B．that; that C．where; when D．that; when
A．will he come, will come B．will he come, come C．he comes, will come D．will he come, comes