(用適當的介詞填空) We are back ______ school.

(用適當的介詞填空) I am not good ______ maths.

(用適當的介詞填空) Write down the words ______ this piece of paper.

(用適當的介詞填空) She was born ______ the night of July 1, 1980.

(用適當的介詞填空) The little boy is running ______ a kite.

(用適當的介詞填空) The boy is riding ______ a bike.

(用適當的介詞填空) Next Friday we're going ______ Hong Kong.

填入所缺單詞，使對話完整。

A: Morning, Maria! I see you are ___　1　___ foot today. Don't you usually come to school ___　2　___ bike?

B: Yes. But I ___　3　___sometimes. I like walking. Look at the sun! It's a fine day for a walk.

A: That's right. And I like walking, too. But my home is too far away. I have to　___　4　___ a bike first and then　___　5　___　the early bus to come here.

B: Oh!

What about going ______ (swim) this afternoon?

The ______ (nine) month of a year is September.