用适当的介词填空

①His mother's birthday is ____  August 24th.

② Mother's Day is ____ May every year.

③—When were you born?

   —____ 1981.

④We have a birthday party ____ Saturday.

⑤ May is the fifth month ____ a year.

⑥Spring Festival is usually ____ January or February.

⑦Let's meet ____ 4:00 in the afternoon.

⑧You need to have a rest ____ noon.

⑨Women's Day is ____ March 8th.

⑩Please phone me ____ the evening.

已知在四边形ABCD中，AC与BD相交于点O，那么下列条件中能判定这个四边形是正方形的是（　　）

2020年，我国要实现全面建成小康社会的奋斗目标。目前，北京和上海的实现程度已达90%以上，已基本实现全面建成小康社会的各项目标，而部分省区实现程度还低于60%。这说明（    ）

你对程老师安排这次公开课的看法。