根据下面句子的意思及所给的汉语，写出空缺处各单词的正确形式。

They live on the ________ (七) floor.

根据下面句子的意思及所给的汉语，写出空缺处各单词的正确形式。

Thank you for ________ (邀请) me.

根据下面句子的意思及所给的汉语，写出空缺处各单词的正确形式。

You'd better say that ________(再), he can't follow you.

根据下面句子的意思及所给的汉语，写出空缺处各单词的正确形式。

Chinese is ________ (说) by the largest number of people in the world.

根据下面句子的意思及所给的汉语，写出空缺处各单词的正确形式。

Have you ________ (写) down his telephone number?

根据下面句子的意思及所给的汉语，写出空缺处各单词的正确形式。

Eating much sugar is bad for your ________ (牙).

根据句意，补全句中拼写不完整的单词。

She has got s _ v _ r _ l books about art.

根据句意，补全句中拼写不完整的单词。

Fang is my g _ v _ n name, and my family name is Liu.

单词拼写：根据句意在空白处填入一个适当的单词。

Jim has just returned ________ a short holiday.

单词拼写：根据句意在空白处填入一个适当的单词。

The population of Australia ________ about seventeen million.