单项选择题A.She is not sure if she can attend the meeting.B.She will be out of town until Friday.C.She has been planning to go to the meeting.D.She cannot change her schedule for Friday.
单项选择题A.To make the spectators trust his judgment.B.To memorize a lot of rules of football matches.C.To run as quickly as the football players.D.To make the right decisions during a match.