用所给词的适当形式填空。

1. Australia has beautiful _______(beach).

2. Niagara Falls ________(be) a famous waterfall in Canada.

3. September 10 is ________(teacher)Day.

4. I am glad ____(meet) you here.

5. There are many ____(sheep) on the hill.

6. 1. Listen! She _____(sing) ABC song.

7. I want _____(buy)a new dress.

8. "What's the weather like today?" "It's _____(sun) but cold."

9. His birthday is July the _____(twelve).

10. Jim ________ (have) breakfast at 7:00 in the morning.

如果所有的鸟都会飞，并且企鹅是鸟，那么企鹅会飞。从这个前提出发，需要加上下列哪一项前提，才能逻辑地推出“有些鸟不会飞”的结论。（ ）

A．有的鸟会飞，并且企鹅是鸟。

B．企鹅不会飞，并且企鹅是鸟。

C．企鹅不会飞，但所有的鸟会飞。

D．企鹅不会飞，并且企鹅不是鸟。