某校7年级1班对校门口交通拥堵问题进行了深入调查,并写成一份调查报告上交社区,一些有效的措施为交警部门采纳。这说明他们在行使公民的( )①政治权利 ②举报权 ③监督权 ④建议权A、①② B ②③ C ③④ D①④
I'm afraid I won't be available. I __________ a friend off at 3 o'clock this afternoon.
—Could you give these books to Mr. Black? —Absolutely. __________ him at five o'clock this afternoon.
You can't miss him. He __________ a dark green suit and a yellow tie waiting for you.
She is not used to __________ like that.
The new rule has been working effectively since it __________.