汉语提示，完成句子。

1.We have _____(化学)at half past four this afternoon.

2._________(历史)is my favorite lesson.

3.We play baseball on the ______(操场).

4.I often ________(起床) at six o'clock.

5.The children in the UK ____(放学) and go home at about three o'clock in the afternoon.

---          is the pen?          

--- It’s black        red.

A．What color; and

B．How color; and

C．What color; or

D．How color; or